AssemblyAI |
yes |
Scalable, production-ready AI models to transcribe and understand speech via a simple web API. |
private
(series C)
|
Twilio |
yes |
APIs for communications. |
public
(NYSE:
TWLO)
|
Stream |
no |
Stream makes it easy to add chat and messaging to applications. |
private
(series B)
|
Taloflow |
yes |
Software buying recommendations. |
private
(seed)
|
Herald |
no |
APIs for commercial insurance. |
private
(seed)
|
Infracost |
no |
Cloud spending cost estimates. |
private
(seed)
|
Moesif |
no |
API analytics. |
private
(series A)
|
Replicated |
no |
Kubernetes application deployments. |
private
(series C)
|
Detectify |
no |
Security vulnerability scanning, surface monitoring and white hat hacking. |
private
(series B)
|
Clarifai |
no |
Machine learning API to transform unstructured data into structured data. |
private
(series C)
|
Esper |
no |
Android device fleet management platform. |
private
(series C)
|
Sentry |
no |
Error tracking, monitoring and observability based on open source code. |
private
(series E)
|
MongoDB |
yes |
Distributed document database, which is open source and can be self-hosted or deployed on their cloud platform. |
public
(NASDAQ:
MDB)
|
Cockroach Labs |
yes |
Distributed SQL database. |
private
(series F)
|
DigitalOcean |
no |
Cloud computing services and infrastructure. |
public
(NYSE:
DOCN)
|
Unity Technologies |
no |
Game creation engine and platform. |
public
(NYSE:
U)
|
LaunchDarkly |
yes |
Feature flags and deployment management. |
private
(series D)
|
Supabase |
no |
Open source Firebase alternative. Backend infrastructure. |
private
(series B)
|
SuperTokens |
no |
Open source user authentication. |
private
(pre-seed)
|
Airbyte |
yes |
Open source data integration and pipeline. |
private
(series B)
|
Select Star |
no |
Data discovery platform. |
private
(series A)
|
Snyk |
no |
Security analysis and vulnerability mitigation for software developers. |
private
(series F)
|
Heap |
no |
Digital analytics. |
acquired
|
Agora |
yes |
Developer platform for voice, video, messaging and streaming. |
public
(NASDAQ:
API)
|
Mixpanel |
no |
Self-serve product analytics. |
private
(series C)
|
Datadog |
yes |
Application monitoring, security and observability. |
public
(NASDAQ:
DDOG)
|
Cloudflare |
yes |
Content delivery network plus web application security. |
public
(NYSE:
NET)
|
Symbl.ai |
yes |
Conversation intelligence from voice or applications for developers. |
private
(series A)
|
Fivetran |
yes |
Data extraction, loading and transformation pipelines. |
private
(series D)
|
Rollbar |
no |
Error monitoring and remediation. |
private
(series B)
|
Miradore |
no |
Cloud-based Mobile Device Management (MDM) platform for Android, Apple and Windows devices. |
private
(private equity)
|
Bandwidth |
yes |
Communications platform-as-a-service. |
public
(NASDAQ:
BAND)
|
Stripe |
no |
Payment processing platform. |
private
(series H)
|
InfluxData |
yes |
Creators of time series database InfluxDB. |
private
(series E)
|
HashiCorp |
yes |
Open source cloud infrastructure for deployment and security. |
public
(NASDAQ:
HCP)
|
PagerDuty |
no |
Software and platform for digital operations and incident management. |
public
(NYSE:
PD)
|
Deepgram |
yes |
Low quality transcription API. |
private
(series B)
|
Bird |
no |
Communications platform-as-a-service (PaaS). |
private
(series C)
|
Rapid |
no |
Developer platform for discovering and using thousands of APIs. |
private
(series D)
|
Timescale |
yes |
Open source time-series database and hosting service. |
private
(series C)
|
Postman |
no |
API platform for building and using APIs. |
private
(series D)
|
Elastic |
no |
Open source search solutions company. Creators of Elasticsearch, Kibana, Beats and Logstash. |
public
(NYSE:
ESTC)
|
Buildkite |
yes |
Continuous integration pipeline platform. |
private
(series A)
|
Split |
no |
Feature flags and related experiments for software. |
private
(series D)
|
Pngme |
no |
Financial data sharing and analysis. |
private
(series A)
|
Stacker |
no |
Low code/no code custom software. |
private
(series A)
|
Nylas |
no |
APIs for email, calendar and contacts providers. |
private
(series C)
|
Roboflow |
no |
Computer vision as-a-service. |
private
(series A)
|
Svix |
yes |
Webhooks as a service. |
private
(seed)
|
Klaviyo |
no |
Customer data and marketing automation platform. |
public
(NYSE:
KVYO)
|
Modern Treasury |
no |
Payment operations solutions for automating money movement. |
private
(series C)
|
Netlify |
yes |
Developer platform to build, deploy and host web app front-ends. |
private
(series D)
|
Merge |
no |
One API to integrate with all HR, payroll, recruiting, accounting, and ticketing platforms. |
private
(series A)
|
PlanetScale |
yes |
MySQL-compatible serverless database platform. |
private
(series C)
|
Logz.io |
no |
Cloud observability platform. |
private
(series E)
|
Gremlin |
no |
Enterprise chaos engineering platform. |
private
(series B)
|
Tinybird |
no |
Developer tools for building data products over analytical data. |
private
(series A)
|
Carto |
no |
Spatial data analysis platform. |
private
(series C)
|
Lokalise |
no |
Continuous language translation for websites, mobile apps and digital content. |
private
(series B)
|
Superb AI |
no |
Automated training data platform. |
private
(series A)
|
Stoplight |
no |
Web API design and documentation. |
private
(series A)
|
Checkr |
no |
Background checks and personal data lookup infrastructure. |
private
(series E)
|
LogRocket |
no |
Performance monitoring, session playback and product analytics. |
private
(series B)
|
Arize |
no |
Machine learning model observability. |
private
(series A)
|
Spacelift |
yes |
Infrastructure-as-code management system. |
private
(series B)
|
Vercel |
yes |
Frontend development and deployment platform. |
private
(series D)
|
Gatsby |
no |
React-based website and web app infrastructure. |
acquired
|
Sourcegraph |
no |
Source code search. |
private
(series D)
|
Sleuth |
no |
Continuous delivery metrics and control software. |
private
(series A)
|
Metabase |
no |
Open source analytics for company data. |
private
(series B)
|
Humanitec |
yes |
Self-service internal developer infrastructure. |
private
(seed)
|
Preset |
no |
Data analysis and visualization based on Apache Superset. |
private
(series B)
|
Airplane |
yes |
Developer platform for internal tools. |
acquired
|
Comet |
no |
Machine learning model lifecycle management and monitoring. |
private
(series B)
|
StackHawk |
no |
Application security testing. |
private
(series B)
|
AutoCloud |
no |
Consistent & compliant DevOps for organizations. |
private
(seed)
|
testRigor |
no |
Functional user interface regression and exploratory testing. |
private
(seed)
|
Archera |
no |
Cloud cost control. |
private
(series A)
|
BrowserStack |
yes |
App and browser device simulation testing. |
private
(series B)
|
QuestDB |
no |
Open source time series database. |
private
(series A)
|
Propelo |
no |
Developer productivity metrics. |
acquired
|
PubNub |
no |
In-app chat and communications. |
private
(series E)
|
Aiven |
yes |
Managed open source cloud data platform. |
private
(series D)
|
Socket |
no |
Open source supply chain vulnerability scanning. |
private
(series A)
|
Komodor |
no |
Kubernetes monitoring and troubleshooting. |
private
(series B)
|
Circle |
yes |
Payments infrastructure via blockchain. |
private
(private equity)
|
Imply |
no |
Database for analytics applications with Druid. |
private
(series D)
|
Tailscale |
no |
Zero configuration VPN. |
private
(series B)
|
Apollo |
no |
GraphQL platform. |
private
(series D)
|
dbt |
no |
Data transformation. |
private
(series D)
|
Pipedream |
no |
Easier multi-API connection with code. |
private
(series A)
|
Koyeb |
no |
Quick deploy serverless platform. |
private
(pre-seed)
|
Cohere |
no |
Natural language processing as a service. |
private
(series B)
|
Mergify |
no |
Faster and safer code merging for developers. |
private
(pre-seed)
|
WorkOS |
no |
Enterprise features as a service. |
private
(series B)
|
Algolia |
no |
Search API as a service. |
private
(series D)
|
Yugabyte |
no |
Open source distributed SQL database. |
private
(series C)
|
Code Ocean |
no |
Computational research platform. |
private
(series B)
|
Platform.sh |
no |
Platform-as-a-service. |
private
(series D)
|
Ethyca |
no |
Privacy as a service. |
private
(series A)
|
Unleash |
no |
Feature flags as a service. |
private
(series A)
|
Intercom |
no |
Customer communications platform. |
private
(series D)
|
Bodo |
yes |
Parallel computation for data analytics. |
private
(series A)
|
Datafold |
no |
Data observability and quality issue mitigation. |
private
(series A)
|
Propel Data |
yes |
API platform for building customer-facing analytics. |
private
(seed)
|
Gretel.ai |
yes |
Synthetic data creation. |
private
(series B)
|
Snowplow |
no |
Data creation and common schemas. |
private
(series B)
|
GitGuardian |
no |
Code security. |
private
(series B)
|
Bump |
yes |
API creation tools. |
private
(pre-seed)
|
Stashpad |
no |
Organized notepad for developers. |
private
(pre-seed)
|
Retool |
yes |
Reusable components for internal enterprise web apps. |
private
(series C)
|
Doppler |
yes |
Secret environment variables syncing and security. |
private
(series A)
|
Finmark |
no |
Financial planning and modeling software for startups. |
acquired
|
Speechmatics |
yes |
Speech-to-text APIs. |
private
(series B)
|
Daily |
yes |
WebRTC-based APIs for video and audio application development. |
private
(series B)
|
Plaid |
yes |
APIs for financial transactions. |
private
(series D)
|
Bubble |
yes |
Low code / no code application builder. |
private
(series A)
|
100ms |
yes |
Video conferencing and live streaming APIs. |
private
(series A)
|
Lacework |
no |
Code and cloud infrastructure security. |
private
(series D)
|
Veza |
yes |
Authorization platform for data. |
private
(series C)
|
Courier |
yes |
Developer infrastructure for product notifications. |
private
(series B)
|
CoreWeave |
no |
GPU cloud provider. |
private
(private equity)
|
Ngrok |
no |
API-first ingress-as-a-service localhost tunneling. |
private
(series A)
|
Sematic |
no |
Continuous machine learning platform. |
private
(seed)
|
Ably |
yes |
Realtime application infrastructure. |
private
(series B)
|
Flightcontrol |
no |
Platform-as-a-service on AWS. |
private
(pre-seed)
|
Kolide |
no |
IT device security and compliance. |
private
(series B)
|
Hookdeck |
no |
Reliable webhook infrastructure. |
private
(seed)
|
Clearbit |
no |
Go-to-market intelligence data and APIs. |
acquired
|
Starburst |
no |
Data source connection and querying. |
private
(series D)
|
PopSQL |
no |
Collaborative SQL editor for teams. |
private
(series A)
|
Fly.io |
yes |
Edge-based application infrasturcture. |
private
(series C)
|
Grafana Labs |
no |
Operational dashboards for data. |
private
(series D)
|
FusionAuth |
no |
Authentication and authorization service. |
private
(series A)
|
Render |
no |
Cloud infrastructure. |
private
(series A)
|
Octopus Deploy |
no |
Deployment automation and metrics. |
private
(series A)
|
Stream.Security |
no |
Cloud infrastructure security modeling and detection. |
private
(series A)
|
JFrog |
no |
DevOps deployment tools. |
public
(NASDAQ:
FROG)
|
Sauce Labs |
yes |
Automated, continuous software testing. |
private
(private equity)
|
LambdaTest |
yes |
Cross-browser testing. |
private
(series C)
|
SingleStore |
no |
Distributed database with SQL queries. |
private
(series F)
|
Replit |
no |
Collaborative coding and application hosting. |
private
(series C)
|
Chameleon |
yes |
In-product walkthroughs and analytics. |
private
(series A)
|
Confluent |
yes |
Apache Kafka hosting and tooling. |
public
(NASDAQ:
CFLT)
|
Swimm |
no |
Documentation creation tools. |
private
(series A)
|
Rescale |
no |
Computing infrastructure for engineering and R&D. |
private
(series C)
|
Couchbase |
no |
Distributed NoSQL data store. |
private
(series G)
|
Neo4j |
no |
Graph database. |
private
(series F)
|
TigerGraph |
no |
Graph database. |
private
(series C)
|
ChaosSearch |
no |
Data indexing for input into analytics. |
private
(series B)
|
GitLab |
no |
Software development platform for teams. |
public
(NASDAQ:
GTLB)
|
Convoy |
no |
Webhooks proxy. |
private
(pre-seed)
|
Harness |
no |
Software development platform for teams. |
private
(series D)
|
Crowdstrike |
no |
Cybersecurity products. |
public
(NASDAQ:
CRWD)
|
Dynatrace |
no |
Infrastructure monitoring and security. |
public
(NYSE:
DT)
|
ClickHouse |
yes |
Column-oriented datastore. |
private
(series B)
|
Wappalyzer |
no |
Website technology analysis. |
private
(seed)
|
Persona |
no |
Identity management and verification. |
private
(series C)
|
Tyk |
no |
API gateway and security. |
private
(series B)
|
PostHog |
no |
Product analytics. |
private
(series B)
|
Ploomber |
no |
Cloud platform for data scientists. |
private
(seed)
|
Sonar |
yes |
Clean code tools. |
private
(series B)
|
mobile.dev |
no |
Cloud-based mobile app test automation. |
private
(pre-seed)
|
Blobr |
no |
E-commerce for APIs. |
private
(seed)
|
Inngest |
no |
TypeScript-based serverless functions. |
private
(seed)
|
Fingerprint |
no |
Device and user identity. |
private
(series C)
|
EdgeDB |
yes |
Open source graph-relational database. |
private
(series A)
|
Evervault |
no |
Encryption developer tools. |
private
(series A)
|
Pinecone |
no |
Hosted vector database for AI search applications. |
private
(series A)
|
Hyperline |
no |
Billing platform for software-as-a-service businesses. |
private
(seed)
|
OpenAI |
no |
Developing AI models, accessible through APIs. |
private
(series D)
|
RunPod |
no |
GPU cloud infrastructure. |
private
(seed)
|
Stytch |
no |
Authentication API. |
private
(series B)
|
Unstructured |
no |
Data extraction, transformation and loading for LLMs. |
private
(series B)
|
Knot |
no |
APIs for online financial accounts. |
private
(series A)
|
Qovery |
no |
Cloud infrastructure automation. |
private
(seed)
|
Orca Security |
no |
Cloud security posture management. |
private
(series C)
|
Dataiku |
no |
Data analysis and visualization platform. |
private
(series F)
|
DeepL |
no |
AI translator and writing tools. |
private
(series B)
|
Pipefy |
no |
Low-code business process automation. |
private
(series C)
|
MutableAI |
no |
AI code generation. |
private
(seed)
|
Cleanlab |
no |
Data quality issue identification and remediation. |
private
(series A)
|
Bitrise |
no |
Continuous integration and delivery for mobile. |
private
(series C)
|
Anyscale |
yes |
Large language model (LLM) infrastructure. |
private
(series C)
|
Dopt |
no |
Developer tools and components for self-service products. |
private
(seed)
|
Context.ai |
no |
Analytics for products that use large language models (LLMs). |
private
(seed)
|
Census |
no |
Data activation platform for data warehouses. |
private
(series B)
|
Fastly |
no |
Content delivery network (CDN) and cloud security. |
public
(NYSE:
FSLY)
|
Seldon |
no |
MLOps and machine learning platform. |
private
(series B)
|
JetBrains |
no |
Software development tools. |
private
(series bootstrapped)
|
WireMock |
no |
API mocking and testing. |
private
(seed)
|
CodeSee |
no |
Code visualization and automation. |
private
(seed)
|
Duality |
no |
Privacy-enhanced data computing. |
private
(series B)
|
Kentik |
no |
Network observability platform. |
private
(series C)
|
AI21 Labs |
yes |
Natural Language Processing (NLP) systems to understand and generate language. |
private
(series C)
|
Codefresh |
no |
Continuous integration and delivery platform. |
private
(series C)
|
Marqo |
no |
Vector database and vector search engine API. |
private
(series A)
|
Frigade |
no |
React components for building product onboarding flows. |
private
(seed)
|
Cerebrium |
no |
Machine learning platform for training, deployment and monitoring models. |
private
(seed)
|
GitHub |
no |
Source control and deployment automation. |
acquired
|
HuggingFace |
no |
Create, discover and collaborate on machine learning models. |
private
(series D)
|
Langfuse |
no |
Open source observability and analytics for large language models (LLMs). |
private
(seed)
|
Sysdig |
no |
Cloud security. |
private
(series G)
|
Fern |
no |
Helper libraries and documentation for APIs. |
private
(pre-seed)
|
Weaviate |
no |
Open-source vector database. |
private
(series B)
|
Neon |
no |
Fully-managed PostgreSQL relational databases. |
private
(series B)
|
Pynt |
no |
API security testing. |
private
(seed)
|
Memgraph |
no |
Optimized Neo4j-compatible graph database. |
private
(seed)
|
Infisical |
no |
Open source secret and configuration management. |
private
(seed)
|
Chroma |
no |
Open source embedding vector database. |
private
(seed)
|
Neptune.ai |
no |
MLOps for AI experiments. |
private
(series A)
|
SuperAGI |
no |
Open source AI infrastructure. |
private
(series A)
|
Video SDK |
yes |
Real-time video infrastructure for web and mobile. |
private
(seed)
|
Gentrace |
no |
Generative AI quality and speed evaluation. |
private
(seed)
|
LiveKit |
yes |
Real-time video, audio and data APIs. |
private
(seed)
|
Pusher |
no |
Communication and collaboration feature APIs. |
acquired
|
PartyKit |
yes |
Open source deployment platform for real-time applications. |
private
(seed)
|
LabelBox |
no |
Data platform for building LLMs. |
private
(series D)
|
Hume |
yes |
AI toolkit for understanding human emotion. |
private
(series A)
|
Datagran |
no |
Data analysis, modeling and workflows. |
private
(seed)
|
Cube |
yes |
Data source and application middleware. |
private
(series A)
|
Superblocks |
yes |
Low-code platform for internal applications. |
private
(series A)
|
Surge AI |
no |
Data labeling and reinforcement learning platform. |
private
(series A)
|
Superagent |
no |
AI-assistant framework for large language models. |
private
(pre-seed)
|
Klu |
no |
Large language model app platform. |
private
(pre-seed)
|
Chainguard |
no |
Software supply chain security. |
private
(series B)
|
ScyllaDB |
no |
NoSQL distributed performance data store. |
private
(series C)
|
Fireworks AI |
no |
Large language model inference platform. |
private
(series A)
|
Chkk |
no |
Kubernetes availability platform. |
private
(seed)
|
Chainlink |
yes |
Decentralized computing platform. |
private
(series C)
|
Integration.app |
no |
Custom integrations for software-as-a-service applications. |
private
(seed)
|
Gladia |
no |
Audio transcription and translation APIs. |
private
(seed)
|
WhyLabs |
no |
Machine learning observability. |
private
(series A)
|
Strapi |
yes |
Open source headless content management system (CMS). |
private
(series A)
|
Contentful |
no |
Headless content management system (CMS). |
private
(series F)
|
Sanity |
no |
Cloud hosting platform for content. |
private
(series C)
|
Storyblok |
yes |
Headless content management system (CMS). |
private
(series B)
|
Prismic |
no |
Headless content management system (CMS) and tooling. |
private
(series A)
|
Cypress |
no |
Testing automation tools. |
private
(series B)
|
Modular |
no |
Machine learning and AI infrastructure. |
private
(series B)
|
Gradient |
no |
Infrastructure platform for running custom LLMs. |
private
(seed)
|
deepset |
yes |
Applied data analytics via large language models. |
private
(series B)
|
Replicate |
no |
Platform for running and fine-tuning open source machine learning models. |
private
(series B)
|
Activeloop |
no |
Data lake for deep learning. |
private
(seed)
|
Resend |
no |
Email API for developers. |
private
(seed)
|
Patterns |
no |
Data analytics in natural language. |
private
(seed)
|
CodeRabbit |
no |
AI code reviews. |
private
(pre-seed)
|
Graphite |
no |
Code review automation and workflow tooling. |
private
(series A)
|
Talc AI |
no |
Automated testing for AI models. |
private
(seed)
|
Zilliz |
yes |
Vector database. |
private
(series B)
|
Helicone |
no |
LLM application monitoring. |
private
(pre-seed)
|
Together AI |
no |
Cloud platform to train, fine-tune, and deploy generative AI models. |
private
(series B)
|
Qdrant |
no |
Vector database. |
private
(series A)
|
Clerk |
no |
User management platform. |
private
(series B)
|
Chalk |
no |
Machine learning infrastructure. |
private
(seed)
|
Pulumi |
no |
Open source infrastructure as code. |
private
(series C)
|
Lightning AI |
no |
Cloud IDE for AI application development. |
private
(series B)
|
Align AI |
no |
User analytics for AI products. |
private
(seed)
|
Bugcrowd |
no |
Crowdsourced security via bug bounties. |
private
(series E)
|
Motif Analytics |
no |
Sequence analytics and visualizations. |
private
(seed)
|
DevZero |
no |
Build and test in a production-clone cloud environment. |
private
(series A)
|
Warp |
no |
Faster terminal interface with autocomplete. |
private
(series B)
|
Flagsmith |
no |
Feature flags and remote configurations. |
private
(series bootstrapped)
|
DataStax |
no |
Vector database. |
private
(series G)
|
Permit.io |
no |
Authorization-as-a-service. |
private
(series A)
|
Instabug |
no |
Mobile app testing and feedback. |
private
(series B)
|
Mistral AI |
no |
Large language models. |
private
(series B)
|