curl -X POST 'https://api.openai.com/v1/skills/skill_123' \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "default_version": "example-default-version"
}'

# POST /skills/{skill_id} (OpenAI API)
Base URL: https://api.openai.com/v1
Auth: Authorization; OpenAI API key; required.
Request formats: application/json.
Last verified: 2026-10-20

> Update Skill Default Version

## Critical Gotchas
* The Responses API is the primary interface for new text and tool workflows; Chat Completions remains a separate compatibility API.
* Audio transcription uploads use multipart form data rather than a JSON request body.

## cURL
curl -X POST 'https://api.openai.com/v1/skills/skill_123' \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "default_version": "example-default-version"
}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| skill_id | path | string | Yes | The identifier of the skill. |
| default_version | body | string | Yes | The skill version number to set as default. |

## Response example
{"id":"string","object":"skill"}

---
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POST

POST /skills/{skill_id} — OpenAI API

OpenAI API key (required); https://api.openai.com/v1

OpenAI API

Update Skill Default Version

Base URL: https://api.openai.com/v1
Auth: Authorization: Bearer <OPENAI_API_KEY>
Last verified: 2026-10-20 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 201 tokens · Vary: Accept

Critical gotchas

The Responses API is the primary interface for new text and tool workflows; Chat Completions remains a separate compatibility API.

Audio transcription uploads use multipart form data rather than a JSON request body.

cURL

curl -X POST 'https://api.openai.com/v1/skills/skill_123' \  -H "Authorization: Bearer $OPENAI_API_KEY" \  -H 'Content-Type: application/json' \  -d '{  "default_version": "example-default-version"}'

Parameters

Name	In	Type	Required	Description
skill_id	path	string	Yes	The identifier of the skill.
default_version	body	string	Yes	The skill version number to set as default.

Response 200 OK

{
  "id": "string",
  "object": "skill",
  "name": "string",
  "description": "string",
  "created_at": 0,
  "default_version": "string",
  "latest_version": "string"
}

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