Introducing Orbit: Turn Any Task Into the Right API Calls
Blog post from Postman
Postman.ai has launched Orbit, a free, unauthenticated API-discovery service for AI agents that is available through an MCP server or REST API and is designed to help agents identify suitable public API endpoints and integrate them accurately. Its search tool accepts natural-language tasks and returns ranked endpoints with explanations of their supported and unsupported capabilities, while integrate produces a task-specific brief covering authentication, request steps, parameters, response codes, dependencies between calls, and common errors. Using an invoicing example, Orbit identifies that creating and sending an invoice require separate PayPal endpoints and explicitly maps the invoice ID dependency between them. Built on the public Postman API Network, the service draws on API schemas, saved examples, and authentication settings rather than human-oriented documentation. Postman.ai reports typical combined search and integration times of roughly 15 to 20 seconds and estimates that Orbit can require about 27 times less context than loading a full provider specification, although generated integration briefs can vary in wording. A FIT verdict indicates whether selected endpoints fully or only partially satisfy a requested task, emphasizing that agents should not invent unsupported capabilities, while optional Claude Code skill instructions encourage agents to use Orbit before writing third-party integration code from memory.
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