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Launch ADE
letta-ai/letta
14245
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API Changelog
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Download
Guides and Concepts
API Reference
API Changelog
Cookbooks
Discord
Community Events
Letta API
API and SDK Overview
Agents
GET
List Agents
POST
Create Agent
GET
Retrieve Agent
DEL
Delete Agent
PATCH
Modify Agent
PATCH
Reset Messages
POST
Search Deployed Agents
Context
Tools
Sources
Core Memory
Archival Memory
Messages
Templates
Memory Variables
Tools
GET
Retrieve Tool
DEL
Delete Tool
PATCH
Modify Tool
GET
List Tools
POST
Create Tool
PUT
Upsert Tool
POST
Upsert Base Tools
POST
Run Tool From Source
GET
List Composio Apps
GET
List Composio Actions By App
POST
Add Composio Tool
Sources
GET
Retrieve Source
DEL
Delete Source
PATCH
Modify Source
GET
Get Source Id By Name
GET
List Sources
POST
Create Source
Files
POST
Upload File To Source
GET
List Source Files
DEL
Delete File From Source
Passages
Models
GET
List Llm Backends
GET
List Embedding Backends
Blocks
GET
List Blocks
POST
Create Block
GET
Retrieve Block
DEL
Delete Block
PATCH
Modify Block
GET
List Agents For Block
Jobs
GET
List Jobs
GET
List Active Jobs
GET
Retrieve Job
DEL
Delete Job
Health
GET
Health Check
Providers
GET
List Providers
POST
Create Provider
DEL
Delete Provider
PATCH
Modify Provider
Runs
GET
List Runs
GET
List Active Runs
GET
Retrieve Run
DEL
Delete Run
GET
List Run Messages
GET
Retrieve Run Usage
Steps
GET
List Steps
GET
Retrieve Step
Tag
GET
List Tags
Templates
POST
Create Agents from Template
Launch ADE
Sources
Files
Delete File From Source
DELETE
https://
app.letta.com
/
v1
/
sources
/
:source_id
/
:file_id
Delete a data source.
Path parameters
source_id
string
Required
file_id
string
Required
Errors
422
Files Delete Request Unprocessable Entity Error
List Source Passages
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