Documentation ADE Guide Self-Hosting Letta Cloud API Reference Examples Leaderboards

Documentation ADE Guide Self-Hosting Letta Cloud API Reference Examples Leaderboards

API Reference
- API and SDK Overview
- Changelog
Agents
Tools
Sources
Groups
Identities
Models
- GETList LLM Models
Embedding Models
- GETList Embedding Models
Blocks
Jobs
Health
- GETHealth Check
Providers
Runs
Steps
- GETList Steps
- GETRetrieve Step
Tags
- GETList Tags
Telemetry
- GETRetrieve Provider Trace By Step Id
Batches
Messages
- GETList Batch Messages
Voice
- POSTCreate Voice Chat Completions
Templates
- GETList templates (Cloud-only)
Client Side Access Tokens
- POSTCreate token (Cloud-only)
- DELDelete token (Cloud-only)
Projects
- GETList Projects (Cloud-only)

Cancel Batch Run

PATCH

/v1/messages/batches/:batch_id/cancel

PATCH

/v1/messages/batches/:batch_id/cancel

1 curl -X PATCH https://api.letta.com/v1/messages/batches/ \
2      -H "Authorization: Bearer <token>"

Cancel a batch run.

Path parameters

batch_idstringRequired

Headers

AuthorizationstringRequired

Header authentication of the form Bearer <token>

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List Batch Messages