Letta Archival Memory API
Out-of-context long-term memory archives and passages.
Letta Archival Memory API is one of 49 APIs that Letta publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Archival Memory. The published artifact set on APIs.io includes an OpenAPI specification.
This API exposes 9 operations across 6 paths, and defines 4 schemas. It is described by OpenAPI 3.2.0, at version 1.0.0.
Requests are made against 2 base URLs: https://api.letta.com/v1, http://localhost:8283/v1.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
Letta Archival Memory API declares
1 security scheme
for authenticating requests.
It accepts HTTP bearer tokens (bearerAuth).
By default, every request must be authenticated.
bearerAuth— API key created at https://app.letta.com/api-keys, passed as Authorization: Bearer YOURAPIKEY.
Paths & Operations 9
Across 6 paths, the API surfaces 9 operations — 2 DELETE, 3 GET, 1 PATCH, 3 POST. Each is listed below with its method, path, parameters, and response codes.
Out-of-context long-term memory archives and passages.
Schemas 4
The contract defines 4 schemas that model the data the API accepts and returns. The most detailed are Passage (9 properties), Archive (7 properties), Error (1 property), HTTPValidationError (1 property). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from Letta 12
Other APIs Letta publishes across the network.
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