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Retrieve Block For Agent

get/v1/agents/{agent_id}/core-memory/blocks/{block_label}

Retrieve a core memory block from an agent.

Path ParametersExpand Collapse
agent_id: string

The ID of the agent in the format 'agent-'

minLength42
maxLength42
block_label: string
ReturnsExpand Collapse
BlockResponse = object { id, value, base_template_id, 15 more }
id: string

The id of the block.

value: string

Value of the block.

Deprecatedbase_template_id: optional string

(Deprecated) The base template id of the block.

created_by_id: optional string

The id of the user that made this Block.

Deprecateddeployment_id: optional string

(Deprecated) The id of the deployment.

description: optional string

Description of the block.

Deprecatedentity_id: optional string

(Deprecated) The id of the entity within the template.

Deprecatedhidden: optional boolean

(Deprecated) If set to True, the block will be hidden.

is_template: optional boolean

Whether the block is a template (e.g. saved human/persona options).

label: optional string

Label of the block (e.g. 'human', 'persona') in the context window.

last_updated_by_id: optional string

The id of the user that last updated this Block.

limit: optional number

Character limit of the block.

metadata: optional map[unknown]

Metadata of the block.

Deprecatedpreserve_on_migration: optional boolean

(Deprecated) Preserve the block on template migration.

project_id: optional string

The associated project id.

Deprecatedread_only: optional boolean

(Deprecated) Whether the agent has read-only access to the block.

Deprecatedtemplate_id: optional string

(Deprecated) The id of the template.

Deprecatedtemplate_name: optional string

(Deprecated) The name of the block template (if it is a template).

Retrieve Block For Agent
curl https://api.letta.com/v1/agents/$AGENT_ID/core-memory/blocks/$BLOCK_LABEL \
    -H "Authorization: Bearer $LETTA_API_KEY"
{
  "id": "id",
  "value": "value",
  "base_template_id": "base_template_id",
  "created_by_id": "created_by_id",
  "deployment_id": "deployment_id",
  "description": "description",
  "entity_id": "entity_id",
  "hidden": true,
  "is_template": true,
  "label": "label",
  "last_updated_by_id": "last_updated_by_id",
  "limit": 0,
  "metadata": {
    "foo": "bar"
  },
  "preserve_on_migration": true,
  "project_id": "project_id",
  "read_only": true,
  "template_id": "template_id",
  "template_name": "template_name"
}
Returns Examples
{
  "id": "id",
  "value": "value",
  "base_template_id": "base_template_id",
  "created_by_id": "created_by_id",
  "deployment_id": "deployment_id",
  "description": "description",
  "entity_id": "entity_id",
  "hidden": true,
  "is_template": true,
  "label": "label",
  "last_updated_by_id": "last_updated_by_id",
  "limit": 0,
  "metadata": {
    "foo": "bar"
  },
  "preserve_on_migration": true,
  "project_id": "project_id",
  "read_only": true,
  "template_id": "template_id",
  "template_name": "template_name"
}