OpenAI Agents API

The Agents API from OpenAI — 21 operation(s) for agents.

Operations 33

GET /agents/environments/{environment_id} Retrieve an agent environment #
GET /agents/environments/{environment_id}/files List agent environment files #
POST /agents/environments/{environment_id}/files Create an agent environment file #
GET /agents/sessions/{session_id}/subagents List session subagents #
GET /agents/sessions/{session_id}/subagents/{subagent_id} Retrieve a session subagent #
GET /agents/sessions/{session_id}/subagents/{subagent_id}/items List subagent items #
GET /agents/sessions/{session_id}/subagents/{subagent_id}/turns List subagent turns #
GET /agents/sessions/{session_id}/subagents/{subagent_id}/turns/{turn_id} Retrieve a subagent turn #
GET /agents/sessions/{session_id}/subagents/{subagent_id}/turns/{turn_id}/items List subagent turn items #
GET /agents List agents #
POST /agents Create an agent #
GET /agents/{agent_id} Retrieve an agent #
POST /agents/{agent_id} Update an agent #
DELETE /agents/{agent_id} Delete an agent #
GET /agents/environments/templates List agent environment templates #
POST /agents/environments/templates Create an agent environment template #
GET /agents/environments/templates/{environment_template_id} Retrieve an agent environment template #
POST /agents/environments/templates/{environment_template_id} Update an agent environment template #
DELETE /agents/environments/templates/{environment_template_id} Delete an agent environment template #
GET /agents/sessions List agent sessions #
POST /agents/sessions Create an agent session #
GET /agents/sessions/{session_id} Retrieve an agent session #
POST /agents/sessions/{session_id} Update an agent session #
DELETE /agents/sessions/{session_id} Delete an agent session #
GET /agents/sessions/{session_id}/artifacts List agent session artifacts #
GET /agents/sessions/{session_id}/artifacts/{artifact_id} Retrieve an agent session artifact #
DELETE /agents/sessions/{session_id}/artifacts/{artifact_id} Delete an agent session artifact #
GET /agents/sessions/{session_id}/artifacts/{artifact_id}/content Retrieve agent session artifact content #
GET /agents/sessions/{session_id}/events Stream agent session events #
POST /agents/sessions/{session_id}/events Create agent session input events #
GET /agents/sessions/{session_id}/items List agent session items #
GET /agents/sessions/{session_id}/turns List agent session turns #
GET /agents/sessions/{session_id}/turns/{turn_id} Retrieve an agent session turn #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/openai-agents-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openai-agents-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: OpenAI Agents API
  description: The OpenAI REST API. Please see https://platform.openai.com/docs/api-reference for more details.
  version: 2.3.0
  termsOfService: https://openai.com/policies/terms-of-use
  contact:
    name: OpenAI Support
    url: https://help.openai.com/
  license:
    name: MIT
    identifier: MIT
servers:
- url: https://api.openai.com/v1
security:
- ApiKeyAuth: []
tags:


# --- truncated at 32 KB (334 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/openai/refs/heads/main/openapi/openai-agents-api-openapi.yml