curl -X POST 'https://api.elevenlabs.io/v1/convai/agents/agent-id/branches/branch-id/rebase?source_branch_id=source-branch-id' \
  -H "xi-api-key: $ELEVENLABS_API_KEY"

# POST /v1/convai/agents/{agent_id}/branches/{branch_id}/rebase (ElevenLabs API)
Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-10-20

> Rebase A Branch Onto Main

## Critical Gotchas
* Authentication uses the non-standard `xi-api-key` header, not `Authorization: Bearer`. Sending a Bearer token returns HTTP 401.
* Text-to-speech responses are raw binary audio, not JSON. Write the body to a file (`--output speech.mp3`) rather than parsing it.

## cURL
curl -X POST 'https://api.elevenlabs.io/v1/convai/agents/agent-id/branches/branch-id/rebase?source_branch_id=source-branch-id' \
  -H "xi-api-key: $ELEVENLABS_API_KEY"

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| agent_id | path | string | Yes | The id of an agent. This is returned on agent creation. |
| branch_id | path | string | Yes | Unique identifier for the source branch to merge from. |
| source_branch_id | query | string | No | The ID of the branch to pull changes from. Defaults to th... |

## Response (200 OK)
{}

---
Need an API key? Get one at https://elevenlabs.io/app/sign-up

POST

POST /v1/convai/agents/{agent_id}/branches/{branch_id}/rebase — ElevenLabs API

ElevenLabs API

Rebase A Branch Onto Main

Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-10-20 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 223 tokens · Vary: Accept

Critical gotchas

Authentication uses the non-standard xi-api-key header, not Authorization: Bearer. Sending a Bearer token returns HTTP 401.

Text-to-speech responses are raw binary audio, not JSON. Write the body to a file (--output speech.mp3) rather than parsing it.

cURL

curl -X POST 'https://api.elevenlabs.io/v1/convai/agents/agent-id/branches/branch-id/rebase?source_branch_id=source-branch-id' \  -H "xi-api-key: $ELEVENLABS_API_KEY"

Parameters

Name	In	Type	Required	Description
agent_id	path	string	Yes	The id of an agent. This is returned on agent creation.
branch_id	path	string	Yes	Unique identifier for the source branch to merge from.
source_branch_id	query	string	No	The ID of the branch to pull changes from. Defaults to the agent's main branch.

Response 200 OK

{}

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