Greenhouse Harvest API
The Harvest API is Greenhouse's primary REST API and source of truth for recruiting data: candidates, applications, jobs, openings, job posts, job stages, departments, offices, users, offers, approval flows, scheduled interviews, scorecards, sources, tags, custom fields, prospect pools, rejection reasons, and the per-candidate activity feed. HTTP Basic with a granular per-permission API key; RFC-5988 Link pagination; rate limits returned in X-RateLimit-Limit per 10s.
Greenhouse Harvest API is one of 8 APIs that Greenhouse publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
This API exposes 6 machine-runnable capabilities that can be deployed as REST, MCP, or Agent Skill surfaces via Naftiko and 2 JSON Schema definitions.
Tagged areas include ATS, Recruiting, Candidates, Jobs, and Interviews. The published artifact set on APIs.io includes API documentation, an OpenAPI specification, a JSON-LD context, authentication docs, rate-limit docs, 6 Naftiko capability specs, and 2 JSON Schemas.