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

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

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
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
projects
- GETList Projects (Cloud-only)

Delete Block

DELETE

/v1/blocks/:block_id

DELETE

/v1/blocks/:block_id

1 curl -X DELETE https://api.letta.com/v1/blocks/block_id \
2      -H "Authorization: Bearer <token>"

Path parameters

block_idstringRequired

Headers

AuthorizationstringRequired

Header authentication of the form Bearer <token>

Response

Successful Response

Errors

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