AI Development Infrastructure

OpenAI Responses API

OpenAI · Company logo

Requests application-defined functions using structured arguments. Runs generated JavaScript to coordinate enabled tools.

Runtime not tested

AT A GLANCE

What the documentation establishes

This profile records 4 selected capability claims for OpenAI Responses API. Each entry below links to its source and preserves access conditions. It describes the named product or tool surface; it does not establish measured quality, universal availability, or every capability the vendor offers.

Documented capabilities

Custom actions

Vendor documented

Requests application-defined functions using structured arguments.

Access & limits: Application executes calls and returns results.

Connected tool or data · Runtime not tested

Official source Source checked 23 Oct 2026

Tool orchestration

Vendor documented

Runs generated JavaScript to coordinate enabled tools.

Access & limits: Supported model; isolated runtime has no direct network/filesystem.

Product workflow · Runtime not tested

Official source Source checked 23 Oct 2026

Retrieval

Vendor documented

Searches uploaded vector-store files semantically and by keyword.

Access & limits: Files/vector store must be prepared.

Product workflow · Runtime not tested

Official source Source checked 23 Oct 2026

Web retrieval

Vendor documented

Retrieves web information with citation annotations.

Access & limits: Supported model/tool combination and usage charges apply.

Product workflow · Runtime not tested

Official source Source checked 23 Oct 2026

Before choosing OpenAI Responses API

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Confirm the current plan, feature route, regional availability, and export requirements on the official source. Trial the workflow with your own representative inputs before making a purchase decision.