Langflow Build API
Build endpoints run a flow with full vertex-level streaming. POST `/api/v1/build/{flow_id}/flow` kicks off a build job and returns a job id; GET `/api/v1/build/{job_id}/events` streams vertex build events; POST `/api/v1/build/{job_id}/cancel` cancels in-flight builds. Public-tmp variants exist for unauthenticated public flow execution.
Langflow Build API is one of 13 APIs that Langflow publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
This API exposes 1 machine-runnable capability that can be deployed as REST, MCP, or Agent Skill surfaces via Naftiko.
Tagged areas include AI, Build, and Streaming. The published artifact set on APIs.io includes an OpenAPI specification and 1 Naftiko capability spec.