|
100ms
|
A
|
2020 |
Video conferencing and live streaming APIs. |
|
8090
|
A
|
2022 |
AI software development for regulated companies. |
|
AI21 Labs
|
D
|
2017 |
Natural Language Processing tools. |
|
APIMATIC
|
seed
|
2014 |
Autogenerated SDKs and example code for APIs. |
|
Ably
|
B
|
2016 |
Realtime application infrastructure. |
|
Acceldata
|
C
|
2018 |
Data observability. |
|
Activeloop
|
A
|
2018 |
Data lake for deep learning. |
|
Aerospike
|
E
|
2009 |
NoSQL low latency data store. |
|
Agent Relay
|
pre-seed
|
2026 |
Agent-to-agent communications. |
|
Agora
|
Public
|
2014 |
Voice, video, messaging and streaming APIs. |
|
Airbyte
|
B
|
2020 |
Open source data integration and pipeline. |
|
Aiven
|
D
|
2016 |
Managed open source cloud data platform. |
|
Algolia
|
D
|
2012 |
Search API as a service. |
|
Align AI
|
seed
|
2021 |
User analytics for AI products. |
|
Alpaca
|
D
|
2015 |
Stock and crypto trading API. |
|
Ambassador
|
acquired
|
2014 |
Dev tools for Kubernetes. |
|
Anthropic
|
H
|
2021 |
Large language models (LLMs). |
|
Antimatter
|
acquired
|
2022 |
Data access control. |
|
Anyscale
|
C
|
2019 |
Large language model (LLM) infrastructure. |
|
Apollo
|
D
|
2016 |
GraphQL platform. |
|
Aporia
|
acquired
|
2019 |
AI model input and output security and control. |
|
Arcade
|
A
|
2024 |
Auth, tools, and governance for AI agents. |
|
Arcee AI
|
A
|
2023 |
Open-weighted foundational LLM lab. |
|
Archera
|
B
|
2019 |
Cloud cost control. |
|
Arga Labs
|
pre-seed
|
2025 |
Real-world sandboxes for AI systems. |
|
Arize
|
C
|
2019 |
Machine learning model observability. |
|
Arnica
|
seed
|
2021 |
Application and code security tools. |
|
Aspect Build
|
seed
|
2021 |
Bazel build platform and support. |
|
AssemblyAI
|
C
|
2017 |
Speech AI models via a web API. |
|
Astronomer
|
D
|
2018 |
Airflow data pipelines. |
|
Atlas Cloud
|
seed
|
2024 |
Full-modal AI inference platform. |
|
AuthZed
|
A
|
2020 |
Authorization infrastructure. |
|
Authentik Security
|
seed
|
2022 |
User identity management platform. |
|
Aviator
|
seed
|
2021 |
Developer tools for code repositories. |
|
Axiom
|
seed
|
2020 |
Logging and tracing. |
|
Axolo
|
pre-seed
|
2021 |
Code review automation in Slack. |
|
Azion
|
A
|
2011 |
Application hosting platform. |
|
Bandwidth
|
Public
|
1999 |
Communications platform-as-a-service. |
|
Barndoor
|
seed
|
2024 |
AI agents control plane. |
|
Baseten
|
E
|
2019 |
Inference platform for AI models. |
|
BentoML
|
acquired
|
2019 |
Inferencing provider for AI models. |
|
Better Stack
|
A
|
2021 |
Observability and log management. |
|
Bit
|
B
|
2015 |
Composable software components. |
|
Bitrise
|
C
|
2015 |
Continuous integration and delivery for mobile. |
|
BlackBox AI
|
seed
|
2022 |
AI coding agents. |
|
Bland
|
C
|
2023 |
Voice AI for regulated industries. |
|
Bodo
|
A
|
2019 |
Parallel computation for data analytics. |
|
Box
|
Public
|
2005 |
Storage, CMS, and workflows. |
|
Braintrust
|
B
|
2023 |
LLM prompting and evaluation. |
|
Bright Data
|
private equity
|
2014 |
Data scraping and collection. |
|
BrowserStack
|
B
|
2011 |
App and browser device simulation testing. |
|
Browserbase
|
B
|
2024 |
Headless browsers-as-a-service. |
|
Bubble
|
A
|
2012 |
Low code / no code application builder. |
|
Bugcrowd
|
F
|
2012 |
Crowdsourced security via bug bounties. |
|
BuildBuddy
|
seed
|
2019 |
Hosted Bazel continuous integration. |
|
Buildkite
|
B
|
2014 |
Continuous integration pipeline platform. |
|
Bump
|
pre-seed
|
2017 |
API creation tools. |
|
CData
|
C
|
2010 |
Real-time data sync. |
|
Cartesia
|
A
|
2023 |
Real-time voice AI. |
|
Carto
|
C
|
2012 |
Spatial data analysis platform. |
|
Cast AI
|
C
|
2019 |
Cloud computing cost controls. |
|
Census
|
B
|
2018 |
Data activation platform for data warehouses. |
|
Cerebrium
|
seed
|
2022 |
Machine learning platform for training and deployment. |
|
Chainguard
|
D
|
2021 |
Software supply chain security. |
|
Chainlink
|
C
|
2014 |
Decentralized computing platform. |
|
Chalk
|
A
|
2022 |
Machine learning infrastructure. |
|
Chameleon
|
A
|
2015 |
In-product walkthroughs and analytics. |
|
ChaosSearch
|
B
|
2017 |
Data indexing for input into analytics. |
|
Checkly
|
B
|
2018 |
Code-based monitoring. |
|
Checkr
|
E
|
2014 |
Background checks and personal data lookup infrastructure. |
|
Chroma
|
seed
|
2022 |
Open source embedding vector database. |
|
Circle
|
Public
|
2013 |
Payments infrastructure via blockchain. |
|
CircleCI
|
F
|
2011 |
Hosted continuous integration. |
|
Clarifai
|
acquired
|
2013 |
Machine learning APIs. |
|
Cleanlab
|
A
|
2021 |
Data quality issue identification and remediation. |
|
Clearbit
|
acquired
|
2015 |
Go-to-market intelligence data and APIs. |
|
Clerk
|
B
|
2019 |
User management platform. |
|
ClickHouse
|
D
|
2021 |
Column-oriented datastore. |
|
Cline
|
A
|
2024 |
Open source coding agents. |
|
CloudAgent
|
pre-seed
|
2026 |
AI agent for DevOps tasks. |
|
Cloudflare
|
Public
|
2009 |
Content delivery network and web app infrastructure. |
|
Cloudsmith
|
C
|
2016 |
Software artifact management. |
|
Cockroach Labs
|
F
|
2015 |
Distributed SQL database. |
|
Code Input
|
pre-seed
|
2025 |
Code merge and pull request automation. |
|
CodeRabbit
|
B
|
2023 |
AI code reviews. |
|
CodeSee
|
acquired
|
2019 |
Code visualization and automation. |
|
CodeWords
|
seed
|
2023 |
AI agent creation and operations. |
|
Codefresh
|
acquired
|
2014 |
Continuous integration and delivery platform. |
|
Coder
|
C
|
2017 |
Cloud development environment provisioning. |
|
Cohere
|
F
|
2019 |
Natural language processing as a service. |
|
Comet
|
B
|
2017 |
Machine learning model lifecycle management and monitoring. |
|
Comfy
|
B
|
2024 |
Workflow engine for visual AI |
|
Confident AI
|
pre-seed
|
2023 |
Evaluation infrastructure for LLMs. |
|
Confluent
|
acquired
|
2014 |
Apache Kafka hosting and tooling. |
|
Contentful
|
acquired
|
2013 |
Headless content management system (CMS). |
|
Context.dev
|
bootstrapped
|
2024 |
Company and brand data API. |
|
Convex
|
A
|
2021 |
Backend infrastructure-as-a-service. |
|
Convoy
|
pre-seed
|
2022 |
Webhooks proxy. |
|
CopilotKit
|
A
|
2023 |
AI agents SDK. |
|
Coralogix
|
F
|
2014 |
Infrastructure observability. |
|
Couchbase
|
G
|
2009 |
Distributed NoSQL data store. |
|
Courier
|
B
|
2019 |
Developer infrastructure for product notifications. |
|
Coval
|
A
|
2024 |
Voice AI testing, evals, and QA. |
|
Credal
|
seed
|
2022 |
Data workflows and LLM connections. |
|
CrewAI
|
A
|
2024 |
Multi-agent workflows and deployments. |
|
Crowdstrike
|
Public
|
2011 |
Cybersecurity products. |
|
Cube
|
B
|
2019 |
Data source and application middleware. |
|
Cursor
|
B
|
2023 |
LLM copilot-based code editor. |
|
Cypress
|
B
|
2015 |
Testing automation tools. |
|
DBOS
|
seed
|
2023 |
Serverless PostGreSQL and TypeScript platform. |
|
Dagger
|
A
|
2018 |
Continuous integration build pipelines. |
|
Dagster
|
acquired
|
2018 |
Data pipeline orchestration. |
|
Daily
|
B
|
2016 |
WebRTC-based APIs for video and audio app development. |
|
Dash0
|
B
|
2023 |
OpenTelemetry-based observability. |
|
DataStax
|
acquired
|
2010 |
Vector database. |
|
Datadog
|
Public
|
2010 |
Application monitoring, security and observability. |
|
Datadome
|
C
|
2015 |
Bot protection. |
|
Datafold
|
A
|
2020 |
Data observability and quality issue mitigation. |
|
Dataiku
|
F
|
2013 |
Data analysis and visualization platform. |
|
Daytona
|
A
|
2023 |
Development environment manager. |
|
DeepL
|
C
|
2017 |
AI translator and writing tools. |
|
Deepchecks
|
acquired
|
2019 |
Evaluation for LLM-based applications. |
|
Deepgram
|
C
|
2015 |
Voice AI platform. |
|
Deepinfra
|
B
|
2022 |
Hosted AI models-as-a-service. |
|
DeltaStream
|
A
|
2020 |
Event stream processing. |
|
Descope
|
seed
|
2022 |
Authentication management. |
|
Detectify
|
B
|
2013 |
Security vulnerability scanning, monitoring and pentesting. |
|
DevCycle
|
seed
|
2021 |
Software feature flags. |
|
DevZero
|
A
|
2022 |
Build and test in a production-clone cloud environment. |
|
Didit
|
seed
|
2023 |
Identity and fraud detection. |
|
DigitalOcean
|
Public
|
2012 |
Cloud computing infrastructure. |
|
Directus
|
A
|
2020 |
Application backend-as-a-service. |
|
Ditto
|
B
|
2018 |
Cross-platform device data sync. |
|
Dolby.io
|
acquired
|
2020 |
Real-time streaming infrastructure. |
|
Doppler
|
A
|
2018 |
Secret environment variables syncing and security. |
|
Dragonfly
|
A
|
2022 |
In-memory key-value pair datastore. |
|
Duality
|
B
|
2016 |
Privacy-enhanced data computing. |
|
Dynatrace
|
Public
|
2005 |
Infrastructure monitoring and security. |
|
E2B
|
A
|
2023 |
AI agents cloud. |
|
Earthly
|
seed
|
2020 |
Build framework and continuous integration. |
|
Eden AI
|
pre-seed
|
2021 |
AI model orchestration. |
|
Edgee
|
pre-seed
|
2024 |
Open source edge computing. |
|
Elastic
|
Public
|
2012 |
Open source search solutions. |
|
ElevenLabs
|
C
|
2022 |
Voice cloning. |
|
Encord
|
C
|
2020 |
AI model testing, evaluation, and data management. |
|
Endor Labs
|
B
|
2021 |
Software supply chain security. |
|
Engram
|
A
|
2025 |
Open source persistent AI agent memory. |
|
Entire
|
seed
|
2026 |
AI coding agents and human interactions. |
|
Epsilla
|
pre-seed
|
2023 |
Retrieval-augmented generation-as-a-service. |
|
Esper
|
C
|
2017 |
Android device fleet management platform. |
|
Evervault
|
B
|
2019 |
Payments security. |
|
Exa
|
C
|
2021 |
Search engine for data and embeddings. |
|
Expo
|
B
|
2013 |
Cross-platform native apps and websites development kit. |
|
Factory
|
C
|
2023 |
AI coding agents. |
|
Fal
|
D
|
2021 |
AI model fine-tuning and hosting. |
|
FalkorDB
|
seed
|
2023 |
Graph database. |
|
Fastly
|
Public
|
2011 |
Content delivery network (CDN) and cloud security. |
|
Fastn
|
seed
|
2023 |
No-code/low-code for API and data integrations. |
|
Featherless
|
A
|
2023 |
Serverless AI models. |
|
Felt
|
A
|
2021 |
Geospatial maps data. |
|
Fern
|
A
|
2022 |
Helper libraries and documentation for APIs. |
|
Fidel API
|
B
|
2012 |
Payments infrastructure API. |
|
Finch
|
B
|
2020 |
API for employment systems. |
|
Fingerprint
|
C
|
2019 |
Device and user identity. |
|
FireHydrant
|
acquired
|
2018 |
Alerting and incident response. |
|
Firecrawl
|
A
|
2024 |
Web data for AI agents. |
|
Firefly
|
A
|
2021 |
Infrastructure-as-code scanning. |
|
Fireworks AI
|
D
|
2022 |
Large language model inference platform. |
|
Fish Audio
|
seed
|
2023 |
AI text-to-speech and voice cloning. |
|
Fivetran
|
D
|
2012 |
Data extraction, loading and transformation pipelines. |
|
Flagsmith
|
bootstrapped
|
2018 |
Feature flags and remote configurations. |
|
Fleet
|
A
|
2020 |
Open-source device management for IT and security teams. |
|
Flightcontrol
|
pre-seed
|
2021 |
Platform-as-a-service on AWS. |
|
FlutterFlow
|
A
|
2020 |
Low code UI builder. |
|
Fly.io
|
C
|
2016 |
Edge-based application infrasturcture. |
|
Foundational
|
seed
|
2022 |
Data management platform. |
|
Freestyle
|
seed
|
2024 |
AI agents sandbox code execution. |
|
Frigade
|
seed
|
2022 |
Assistants and components for apps. |
|
FusionAuth
|
A
|
2018 |
Authentication and authorization service. |
|
Galileo
|
B
|
2021 |
LLM evaluation and observability. |
|
Galtea
|
seed
|
2024 |
Test generation for AI agents. |
|
Gatsby
|
acquired
|
2017 |
React-based website and web app infrastructure. |
|
Gel Data
|
A
|
2019 |
Open source PostgreSQL data tools. |
|
Gentrace
|
A
|
2023 |
Generative AI quality and speed evaluation. |
|
GitGuardian
|
C
|
2017 |
Code security. |
|
GitHub
|
acquired
|
2008 |
Source control and deployment automation. |
|
GitLab
|
Public
|
2014 |
Software development platform for teams. |
|
Gladia
|
A
|
2022 |
Audio transcription and translation APIs. |
|
GlareDB
|
seed
|
2022 |
SQL database for distributed data sources. |
|
Google Cloud
|
Public
|
1998 |
Cloud computing and AI infrastructure. |
|
Gradium
|
seed
|
2025 |
Voice AI platform. |
|
Grafana Labs
|
D
|
2014 |
Operational dashboards for data. |
|
Graphite
|
acquired
|
2020 |
Code review automation and workflow tooling. |
|
Gremlin
|
B
|
2016 |
Enterprise chaos engineering platform. |
|
Greptile
|
A
|
2021 |
Code review bot. |
|
Gretel.ai
|
acquired
|
2019 |
Synthetic data creation. |
|
Groundcover
|
B
|
2021 |
Cloud-native application monitoring. |
|
GrowthBook
|
pre-seed
|
2020 |
Open source feature flags. |
|
Guardrails AI
|
seed
|
2023 |
Custom validators for LLMs. |
|
Gumloop
|
A
|
2023 |
Hosted LLM-powered automations. |
|
Harness
|
E
|
2016 |
Software development platform for teams. |
|
Harper
|
seed
|
2017 |
AI agent development stack. |
|
HashiCorp
|
Public
|
2012 |
Open source cloud infrastructure for deployment and security. |
|
Hasura
|
C
|
2017 |
Data platform for creating APIs. |
|
Hatchet
|
pre-seed
|
2023 |
Distributed task queue. |
|
Heap
|
acquired
|
2013 |
Digital analytics. |
|
Helicone
|
pre-seed
|
2023 |
LLM application monitoring. |
|
Hex
|
C
|
2019 |
Data analysis and visualization tools. |
|
Highlight.io
|
acquired
|
2020 |
Open source infrastructure monitoring. |
|
Honeycomb
|
D
|
2016 |
Observability and debugging. |
|
Hookdeck
|
seed
|
2020 |
Reliable webhook infrastructure. |
|
HoundDog.ai
|
seed
|
2023 |
Code scanner for sensitive data. |
|
Hugging Face
|
D
|
2016 |
Create, discover and collaborate on machine learning models. |
|
Humanitec
|
seed
|
2017 |
Self-service internal developer infrastructure. |
|
Humanloop
|
seed
|
2020 |
Prompt evaluation and monitoring. |
|
Hume
|
B
|
2021 |
AI toolkit for understanding human emotion. |
|
ITOC360
|
seed
|
2018 |
Incident operations orchestration. |
|
Imply
|
D
|
2015 |
Database for analytics applications with Druid. |
|
Incident.io
|
B
|
2021 |
On-call incident management. |
|
Inference
|
seed
|
2023 |
Deploy, monitor, trace, train, and eval AI models. |
|
Infisical
|
A
|
2022 |
Open source secret and configuration management. |
|
InfluxData
|
E
|
2012 |
Creators of time series database InfluxDB. |
|
Infracost
|
seed
|
2020 |
Cloud spending cost estimates. |
|
Inigo
|
seed
|
2021 |
GraphQL management and security. |
|
Inngest
|
seed
|
2021 |
TypeScript-based serverless functions. |
|
Intercom
|
acquired
|
2011 |
Customer communications platform. |
|
Ionic
|
A
|
2012 |
Cross-platform mobile SDK and builds. |
|
JFrog
|
Public
|
2008 |
DevOps deployment tools. |
|
Jam
|
A
|
2020 |
One click bug reports. |
|
JetBrains
|
bootstrapped
|
2000 |
Software development tools. |
|
Keploy
|
seed
|
2022 |
Open-source testing via API traffic. |
|
Kestra
|
A
|
2022 |
Declarative data orchestration. |
|
Kinde
|
seed
|
2021 |
Authentication-as-a-service. |
|
Klu
|
pre-seed
|
2022 |
Large language model app platform. |
|
Knock
|
A
|
2021 |
Notifications infrastructure. |
|
Knot
|
A
|
2019 |
APIs for online financial accounts. |
|
Kolide
|
acquired
|
2016 |
IT device security and compliance. |
|
Komodor
|
B
|
2020 |
AI SRE. |
|
Kong
|
E
|
2017 |
Platform for building and operating APIs. |
|
Koyeb
|
acquired
|
2020 |
Quick deploy serverless platform. |
|
LabelBox
|
D
|
2018 |
Data platform for building LLMs. |
|
Lago
|
A
|
2021 |
Open source usage-based billing infrastructure. |
|
Lakera
|
A
|
2021 |
Generative AI security. |
|
Lambda
|
E
|
2012 |
On-demand GPU instances and clusters. |
|
LanceDB
|
A
|
2022 |
Database for multimodal data. |
|
LangChain
|
B
|
2022 |
Framework to build and operate LLM apps. |
|
Langfuse
|
acquired
|
2022 |
Open source observability for large language models. |
|
LaunchDarkly
|
D
|
2014 |
Feature and release management. |
|
Liblab
|
A
|
2022 |
SDK generation for APIs. |
|
LightSprint
|
pre-seed
|
2026 |
Cloud coding agents. |
|
Lightdash
|
A
|
2021 |
Agentic business intelligence. |
|
Lightning AI
|
B
|
2019 |
Cloud IDE for AI application development. |
|
Linear
|
C
|
2019 |
Product development planning. |
|
LiveKit
|
C
|
2021 |
Real-time video, audio and data APIs. |
|
LllamaIndex
|
A
|
2023 |
LLM applications framework. |
|
LocalStack
|
A
|
2021 |
Local AWS development environment. |
|
LogRocket
|
B
|
2016 |
Performance monitoring, session playback and analytics. |
|
LogicLoop
|
seed
|
2021 |
Alerts and notifications for data. |
|
Logz.io
|
E
|
2014 |
Cloud observability platform. |
|
Lokalise
|
B
|
2017 |
Continuous language translation for websites and mobile apps. |
|
Lovable
|
A
|
2023 |
App creation and coding by prompting. |
|
Luciq
|
B
|
2014 |
Mobile app testing. |
|
Lumigo
|
acquired
|
2018 |
Microservices tracing and debugging. |
|
Lunar.dev
|
seed
|
2022 |
API gateway. |
|
Mapbox
|
E
|
2011 |
Location and mapping data. |
|
Marqo
|
A
|
2022 |
Vector database and vector search engine API. |
|
Membrane
|
seed
|
2021 |
Automated code integrations for software. |
|
Memgraph
|
seed
|
2016 |
Optimized Neo4j-compatible graph database. |
|
Merge
|
B
|
2020 |
HR, recruiting, and accounting API integration. |
|
Mergify
|
pre-seed
|
2018 |
Faster and safer code merging for developers. |
|
Metabase
|
B
|
2014 |
Open source analytics for company data. |
|
Metaplane
|
acquired
|
2019 |
Data observability. |
|
Metronome
|
acquired
|
2020 |
Usage-based billing API. |
|
Mintlify
|
B
|
2022 |
Technical documentation. |
|
Miradore
|
private equity
|
2006 |
Mobile Device Management for hardware. |
|
Mistral AI
|
C
|
2023 |
Large language models. |
|
Mixpanel
|
C
|
2009 |
Self-serve product analytics. |
|
Modal
|
C
|
2021 |
Serverless AI model infrastructure. |
|
Modem
|
seed
|
2025 |
AI teammate for product execution. |
|
Modular
|
B
|
2022 |
Machine learning and AI infrastructure. |
|
Moesif
|
acquired
|
2017 |
API analytics. |
|
Momento
|
seed
|
2021 |
Real-time data infrastructure. |
|
MongoDB
|
Public
|
2007 |
Open source NoSQL document database. |
|
Monster API
|
pre-seed
|
2023 |
Fine-tuning and deployment for LLMs. |
|
Moss
|
pre-seed
|
2024 |
Real-time semantic search for conversational AI. |
|
Mostly AI
|
acquired
|
2017 |
Synthetic data. |
|
Multiplayer
|
seed
|
2023 |
Software architecture documentation. |
|
MutableAI
|
acquired
|
2021 |
AI code generation. |
|
Mux
|
D
|
2015 |
Video streaming APIs. |
|
Nango
|
pre-seed
|
2022 |
Platform for shipping code integrations. |
|
Nanoclaw
|
seed
|
2023 |
Open source personal AI agent. |
|
Nanonets
|
B
|
2017 |
Workflow automation. |
|
Neo4j
|
F
|
2007 |
Graph database. |
|
Neon
|
acquired
|
2021 |
Fully-managed PostgreSQL relational databases. |
|
Neptune.ai
|
acquired
|
2017 |
MLOps for AI experiments. |
|
Netlify
|
D
|
2015 |
Developer platform to build, deploy and host web apps. |
|
NeuralTrust
|
A
|
2022 |
AI agent security. |
|
New Relic
|
private equity
|
2008 |
Application monitoring & infrastructure observability. |
|
Ngrok
|
A
|
2015 |
API-first ingress-as-a-service localhost tunneling. |
|
Nhost
|
seed
|
2018 |
Open source serverless backend. |
|
Northflank
|
A
|
2019 |
Deployment platform. |
|
Not Diamond
|
seed
|
2024 |
LLM model router. |
|
Nullstone
|
pre-seed
|
2020 |
Deployment automation. |
|
Nx
|
A
|
2016 |
Build system for monorepos. |
|
Nylas
|
C
|
2014 |
APIs for email, calendar and contacts providers. |
|
Objective
|
acquired
|
2021 |
AI-native search-as-a-service. |
|
Observe
|
acquired
|
2017 |
Infrastructure monitoring and observing. |
|
Octen
|
seed
|
2026 |
Search infrastructure for AI agents. |
|
Octopus Deploy
|
A
|
2012 |
Deployment automation and metrics. |
|
Ollama
|
pre-seed
|
2023 |
Easily run open weights LLMs. |
|
Ona
|
acquired
|
2016 |
Cloud dev environments for agents. |
|
Onehouse
|
B
|
2021 |
Data lakehouse. |
|
OpenAI
|
F
|
2015 |
Developing AI models, accessible through APIs. |
|
OpenMeter
|
acquired
|
2023 |
Usage-based billing infrastructure. |
|
OpenObserve
|
A
|
2022 |
Open source observability. |
|
OpenPipe
|
seed
|
2023 |
Data capture, AI model training and deployment. |
|
OpenRouter
|
B
|
2023 |
API for AI models. |
|
OpenSauced
|
acquired
|
2022 |
Open source metrics. |
|
Openlayer
|
A
|
2021 |
AI prompt and modeling alerting. |
|
OpsMill
|
A
|
2023 |
Data management infrastructure. |
|
Orb
|
acquired
|
2021 |
Usage-based billing infrastructure. |
|
Orkes
|
B
|
2020 |
AI agent workflow orchestration. |
|
Ory
|
A
|
2019 |
User authentication infrastructure-as-a-service. |
|
Oso
|
A
|
2018 |
Distributed authorization service. |
|
OurSky
|
seed
|
2022 |
Developer APIs for space data. |
|
P0 Security
|
A
|
2022 |
Secure cloud access for developers and applications. |
|
PagerDuty
|
Public
|
2009 |
Infrastructure incident management. |
|
Pandium
|
seed
|
2018 |
Code integrations. |
|
Paper
|
A
|
2024 |
Design canvas for human and agent teams. |
|
Paper Compute Company
|
pre-seed
|
2025 |
Capture, inspect, and reuse AI agent sessions. |
|
Parallel Web Systems
|
B
|
2023 |
Web search API. |
|
Parea
|
pre-seed
|
2023 |
LLM test and evaluation. |
|
PartyKit
|
seed
|
2023 |
Open source deployment platform for real-time applications. |
|
Patronus AI
|
B
|
2023 |
Simulation data for model training. |
|
PeerDB
|
acquired
|
2023 |
PostgreSQL replication. |
|
Permit.io
|
A
|
2020 |
Authorization-as-a-service. |
|
Persona
|
C
|
2018 |
Identity management and verification. |
|
Pinecone
|
B
|
2019 |
Hosted vector database for AI search applications. |
|
Pipedream
|
A
|
2019 |
Easier multi-API connection with code. |
|
Pixeltable
|
seed
|
2024 |
Open source multimodal AI data platform. |
|
Plaid
|
E
|
2013 |
APIs for financial transactions. |
|
PlanetScale
|
C
|
2018 |
MySQL-compatible serverless database platform. |
|
Ploomber
|
seed
|
2021 |
Cloud platform for data scientists. |
|
Plushcap
|
bootstrapped
|
2021 |
Capture developer trends to drive product and marketing for dev tools. |
|
Polar Signals
|
seed
|
2020 |
Infrastructure instrumentation and profiling. |
|
PopSQL
|
A
|
2017 |
Collaborative SQL editor for teams. |
|
Port
|
C
|
2022 |
Open source internal developer portal. |
|
Portkey
|
A
|
2023 |
AI app gateway with observability. |
|
PostHog
|
D
|
2020 |
Product analytics. |
|
Postiz
|
boostrapped
|
2024 |
AI agents for social media scheduling. |
|
Postman
|
D
|
2014 |
API platform for building and using APIs. |
|
Postmark
|
C
|
2003 |
Email API. |
|
Potpie
|
pre-seed
|
2024 |
Spec driven development for large codebases. |
|
Predibase
|
acquired
|
2020 |
Fine-tune and serve LLMs. |
|
Prefect
|
B
|
2018 |
Workflow orchestration for machine learning. |
|
Prelude
|
A
|
2023 |
User trust signals and verification. |
|
Prem AI
|
A
|
2023 |
Hosted AI models with privacy focus. |
|
Preset
|
B
|
2019 |
Data analysis and visualization based on Apache Superset. |
|
Prime Intellect
|
A
|
2024 |
AI agent development and deployment. |
|
Prismatic
|
B
|
2019 |
Product code integrations. |
|
Prismic
|
A
|
2013 |
Headless content management system (CMS) and tooling. |
|
PromptLayer
|
seed
|
2021 |
Prompt engineering collaboration and evaluation. |
|
Promptfoo
|
acquired
|
2024 |
LLM prompt evaluation and security. |
|
PropelAuth
|
seed
|
2021 |
Authentication infrastructure-as-a-service. |
|
Prowler
|
seed
|
2023 |
Open source cloud security. |
|
PubNub
|
E
|
2010 |
In-app chat and communications. |
|
Pulumi
|
C
|
2017 |
Open source infrastructure as code. |
|
Pusher
|
acquired
|
2010 |
Communication and collaboration feature APIs. |
|
Pybites
|
bootstrapped
|
2016 |
Learn to code in Python. |
|
Pydantic
|
A
|
2022 |
Data validation and observability. |
|
Pynt
|
seed
|
2022 |
API security testing. |
|
Qase
|
A
|
2019 |
Test management platform. |
|
Qdrant
|
B
|
2021 |
Vector database. |
|
Qodo
|
B
|
2022 |
LLM-based code generation. |
|
Qovery
|
seed
|
2020 |
Cloud infrastructure automation. |
|
QuestDB
|
A
|
2019 |
Open source time series database. |
|
Ragie
|
seed
|
2024 |
Managed retrieval augmented generation-as-a-service. |
|
Railway
|
B
|
2020 |
Infrastructure-as-a-service for app deployments. |
|
Rapid
|
acquired
|
2015 |
Web API gateway. |
|
Rasepi
|
pre-seed
|
2025 |
Data verification for AI inputs. |
|
Raven
|
seed
|
2021 |
Transactional message coordination. |
|
Raycast
|
B
|
2020 |
Command bar. |
|
ReadMe
|
A
|
2014 |
API documentation and community tools. |
|
Red5
|
seed
|
2011 |
Live video streaming via WebRTC. |
|
Redis
|
G
|
2011 |
Key-value pair data store. |
|
Redocly
|
seed
|
2017 |
Hosted API documentation. |
|
Redpanda
|
D
|
2019 |
Data streaming platform. |
|
Reducto
|
B
|
2023 |
Document parsing API. |
|
Refuel
|
acquired
|
2021 |
Data enhancement with LLMs. |
|
Render
|
C
|
2018 |
Cloud infrastructure. |
|
Replay
|
A
|
2021 |
Web browser for reproducing bugs. |
|
Replicate
|
acquired
|
2019 |
Platform for running and fine-tuning machine learning models. |
|
Replicated
|
C
|
2015 |
Kubernetes application deployments. |
|
Replit
|
D
|
2016 |
Collaborative coding and application hosting. |
|
Rescale
|
D
|
2011 |
Computing infrastructure for engineering and R&D. |
|
Resemble AI
|
A
|
2018 |
Voice cloning and detection. |
|
Resend
|
A
|
2023 |
Email API for developers. |
|
Restate
|
seed
|
2023 |
Workflows and services orchestration. |
|
Retell AI
|
seed
|
2023 |
AI voice agents. |
|
Retool
|
C
|
2017 |
Reusable components for internal enterprise web apps. |
|
RevenueCat
|
C
|
2017 |
Subscription payment infrastructure. |
|
Rig
|
acquired
|
2023 |
Application platform for Kubernetes. |
|
Rill
|
seed
|
2020 |
Data dashboards. |
|
Rime
|
A
|
2022 |
Conversational voice AI models. |
|
Riza
|
pre-seed
|
2023 |
Isolated runtime for AI-generated apps. |
|
Roboflow
|
B
|
2020 |
Computer vision as-a-service. |
|
Rockset
|
acquired
|
2016 |
Real-time analytics database. |
|
Rollbar
|
B
|
2012 |
Error monitoring and remediation. |
|
RunPod
|
A
|
2022 |
GPU cloud infrastructure. |
|
Runta
|
seed
|
2025 |
OS and network layer for AI agent governance. |
|
SSOJet
|
bootstrapped
|
2024 |
Single sign-on integration. |
|
SageOx
|
seed
|
2026 |
Human-in-the-loop agent orchestration. |
|
Sampleapp.ai
|
pre-seed
|
2024 |
Custom API demos and sample apps. |
|
Sanity
|
C
|
2018 |
Cloud hosting platform for content. |
|
Sauce Labs
|
private equity
|
2008 |
Automated, continuous software testing. |
|
ScyllaDB
|
C
|
2013 |
NoSQL distributed performance data store. |
|
Seldon
|
B
|
2014 |
MLOps and machine learning platform. |
|
Select Star
|
A
|
2020 |
Data discovery platform. |
|
Semaphore
|
bootstrapped
|
2009 |
Continuous integration and delivery. |
|
Sematic
|
seed
|
2022 |
Continuous machine learning platform. |
|
Semgrep
|
D
|
2017 |
Code security tools. |
|
Sentry
|
E
|
2011 |
Open source error tracking and observability. |
|
Sequin
|
seed
|
2020 |
Messaging stream for API integrations. |
|
Shoreline
|
acquired
|
2019 |
Observability aggregation and issue identification. |
|
Sigma
|
E
|
2014 |
AI analytics and visualization. |
|
SingleStore
|
F
|
2011 |
Distributed database with SQL queries. |
|
Sleuth
|
A
|
2019 |
Continuous delivery metrics and control software. |
|
Snowplow
|
B
|
2012 |
Data creation and common schemas. |
|
Snyk
|
F
|
2015 |
Security analysis and vulnerability mitigation. |
|
Socket
|
C
|
2020 |
Open source supply chain vulnerability scanning. |
|
Soda
|
A
|
2018 |
Data quality platform. |
|
Sonar
|
B
|
2008 |
Clean code tools. |
|
Sourcegraph
|
D
|
2013 |
Source code search. |
|
Spacelift
|
C
|
2020 |
Infrastructure-as-code management system. |
|
Speakeasy
|
A
|
2022 |
SDK generation and API tools. |
|
Speechmatics
|
B
|
2006 |
Speech-to-text APIs. |
|
Split
|
acquired
|
2015 |
Feature flags and related experiments for software. |
|
StackBlitz
|
B
|
2017 |
Browser-based collaborative editor. |
|
StackHawk
|
B
|
2019 |
Application security testing. |
|
Stacker
|
A
|
2017 |
Low code/no code business portals. |
|
Stainless
|
A
|
2021 |
Web API SDK generators. |
|
Starburst
|
D
|
2017 |
Data source connection and querying. |
|
Statsig
|
C
|
2021 |
Product analytics and experimentation. |
|
Steadybit
|
A
|
2019 |
Chaos engineering tools. |
|
Stigg
|
A
|
2021 |
Monetization control infrastructure. |
|
Stoplight
|
A
|
2015 |
Web API design and documentation. |
|
Storyblok
|
C
|
2017 |
Headless content management system (CMS). |
|
Strapi
|
A
|
2016 |
Open source headless content management system (CMS). |
|
Stream
|
B
|
2014 |
Stream makes it easy to add chat and messaging to applications. |
|
Stream.Security
|
B
|
2020 |
Cloud infrastructure security modeling and detection. |
|
Streamkap
|
seed
|
2022 |
Real-time data pipelines. |
|
Stripe
|
H
|
2010 |
Payment processing platform. |
|
Stytch
|
B
|
2020 |
Authentication API. |
|
Sublime Security
|
C
|
2019 |
Email security. |
|
Supabase
|
F
|
2020 |
Open source Firebase alternative. Backend infrastructure. |
|
SuperAGI
|
A
|
2023 |
Open source AI infrastructure. |
|
SuperTokens
|
pre-seed
|
2019 |
Open source user authentication. |
|
Superb AI
|
C
|
2018 |
Automated training data platform. |
|
Superblocks
|
A
|
2021 |
Low-code platform for internal applications. |
|
Supermaven
|
acquired
|
2024 |
Coding copilot. |
|
Superset
|
seed
|
2026 |
IDE for orchestrating parallel AI coding agents. |
|
Supersimple
|
pre-seed
|
2021 |
Self-service analytics dashboards for SaaS companies. |
|
Surge AI
|
A
|
2020 |
Data labeling and reinforcement learning platform. |
|
SurrealDB
|
A
|
2021 |
Database. |
|
Svix
|
seed
|
2021 |
Webhooks as a service. |
|
Swarmia
|
A
|
2019 |
Software development metrics. |
|
Swimm
|
A
|
2019 |
Documentation creation tools. |
|
Symbl.ai
|
A
|
2018 |
Real-time conversation intelligence infrastructure. |
|
Sysdig
|
G
|
2013 |
Cloud security. |
|
Tabnine
|
acquired
|
2017 |
AI code assistant. |
|
Tailscale
|
C
|
2019 |
Zero configuration VPN. |
|
Tavily
|
acquired
|
2023 |
AI agent web connections |
|
Tecton
|
C
|
2019 |
Machine learning pipelines and deployment. |
|
Tembo
|
A
|
2022 |
PostgreSQL developer platform. |
|
Temporal
|
D
|
2019 |
Open source framework for building fault-tolerant applications. |
|
Tessell
|
B
|
2021 |
Database platform-as-a-service. |
|
TestMu AI
|
D
|
2017 |
Agents and software testing. |
|
Tggl
|
bootstrapped
|
2022 |
Feature flags-as-a-service. |
|
Tiger Data
|
C
|
2015 |
Open source time-series database. |
|
TigerBeetle
|
A
|
2022 |
Database built for financial data. |
|
TigerGraph
|
C
|
2012 |
Graph database. |
|
TileDB
|
B
|
2017 |
Multimodal database. |
|
Tines
|
C
|
2018 |
Workflow and process automation. |
|
Tinybird
|
B
|
2019 |
Developer tools for building data products over analytical data. |
|
Togai
|
acquired
|
2022 |
Usage-based billing infrastructure. |
|
Together AI
|
C
|
2022 |
Cloud platform to train, fine-tune, and deploy AI models. |
|
Traceforce
|
pre-seed
|
2026 |
Control of AI on company devices. |
|
Trigger.dev
|
pre-seed
|
2022 |
Background jobs framework. |
|
Turso
|
seed
|
2021 |
SQLite for production. |
|
Twilio
|
Public
|
2008 |
APIs for communications. |
|
Twingate
|
B
|
2019 |
Zero trust network access. |
|
Tyk
|
B
|
2015 |
API gateway and security. |
|
Unified.to
|
pre-seed
|
2023 |
API for building customer integrations. |
|
Unify
|
seed
|
2022 |
LLM router. |
|
Unleash
|
B
|
2019 |
Feature flags as a service. |
|
Unsloth
|
pre-seed
|
2023 |
Fine-tune and train LLMs. |
|
Unstructured
|
B
|
2022 |
Data extraction, transformation and loading for LLMs. |
|
Upstash
|
A
|
2021 |
Serverless data platform. |
|
Upsun
|
D
|
2015 |
Platform-as-a-service. |
|
Userfront
|
seed
|
2019 |
Authorization and identity for SaaS. |
|
Vantage
|
A
|
2020 |
Cloud cost optimization. |
|
Vapi
|
B
|
2021 |
Build, test and deploy voice agents. |
|
Vast.ai
|
seed
|
2016 |
GPU cloud marketplace. |
|
Vectara
|
A
|
2022 |
RAG-as-a-service. |
|
Vectorize
|
seed
|
2023 |
Transform unstructured data into vector indexes. |
|
Velvet
|
acquired
|
2023 |
Store LLM data for analysis and optimization. |
|
Venice
|
A
|
2024 |
Privacy-first AI model access. |
|
Vercel
|
F
|
2015 |
Frontend development and deployment platform. |
|
Vertesia
|
seed
|
2024 |
LLM application platform. |
|
Vespa
|
A
|
2023 |
Open source text search engine. |
|
Veza
|
acquired
|
2020 |
Authorization platform for data. |
|
Video SDK
|
seed
|
2020 |
Real-time video infrastructure for web and mobile. |
|
Vocode
|
seed
|
2023 |
Open source voice agents. |
|
Voiceflow
|
B
|
2019 |
AI agent creation. |
|
Vonage
|
acquired
|
2001 |
Communications APIs. |
|
Voxel51
|
B
|
2016 |
Dev tools for machine learning. |
|
Voyage AI
|
acquired
|
2023 |
Embeddings and retrieval models. |
|
Warp
|
B
|
2020 |
Faster terminal interface with autocomplete. |
|
WarpStream
|
acquired
|
2017 |
Apache Kafka-compatible streaming platform. |
|
Weave
|
A
|
2024 |
Software engineering metrics. |
|
Weaviate
|
B
|
2019 |
Open-source vector database. |
|
Webflow
|
C
|
2012 |
Website generation. |
|
WhyLabs
|
A
|
2019 |
Machine learning observability. |
|
Windsurf
|
acquired
|
2021 |
Coding copilot and IDE. |
|
WireMock
|
seed
|
2011 |
API mocking and testing. |
|
WorkOS
|
B
|
2019 |
Enterprise features as a service. |
|
Wundergraph
|
A
|
2020 |
API management for federated GraphQL. |
|
XetHub
|
acquired
|
2021 |
Training data collaboration. |
|
Yugabyte
|
C
|
2016 |
Open source distributed SQL database. |
|
Zama
|
B
|
2020 |
Open source cryptography. |
|
Zapier
|
bootstrapped
|
2011 |
No code automation platform for APIs. |
|
Zed
|
B
|
2021 |
Open source code editor. |
|
Zerops
|
seed
|
2017 |
Platform-as-a-service. |
|
Zerve
|
seed
|
2021 |
Research and analytics data platform. |
|
Zilliz
|
B
|
2017 |
Vector database. |
|
dbt
|
D
|
2016 |
Data transformation. |
|
deepset
|
B
|
2018 |
Applied data analytics via large language models. |
|
dltHub
|
pre-seed
|
2020 |
Data load tool. |
|
exe.dev
|
A
|
2025 |
Virtual machine-based computing infrastructure. |
|
n8n
|
C
|
2019 |
Low-code workflows. |
|
testRigor
|
seed
|
2015 |
Functional user interface regression and exploratory testing. |
|
vFunction
|
A
|
2017 |
Tools to refactor monoliths into microservices. |
