API reference · CAIN Memory

Api Store Memory

POST /fabric/memory/store

Last reviewed 2026-11-06

POST /fabric/memory/store

Store a new memory with admission control.

Parameters

Name	In	Type	Meaning
`X-Tenant-ID`	header	string or null

Request body

StoreMemoryRequest (required)

Field	Type	Meaning
`agent_id` required	string	min length `1` · max length `255`
`memory_type` required	string	pattern `^(episodic\|semantic\|procedural\|preference\|task\|working\|factual\|experience\|instruction\|observation)$`
`content` required	string	min length `1` · max length `65536`
`source`	string	pattern `^(agent\|tool\|human\|delegated\|system)$` · default `"agent"`
`identity_id`	string or null
`source_type`	string	default `"agent"`
`source_reference`	string or null
`confidence`	number	min `0.0` · max `1.0` · default `0.5`
`tags`	array of string or null
`metadata`	object or null
`expires_at`	string or null
`provenance`	object or null
`evidence_id`	string or null
`decision_id`	string or null
`trace_id`	string or null
`trajectory_id`	string or null
`sensitivity`	string	pattern `^(internal\|confidential\|restricted\|public)$` · default `"internal"`

Responses

Status	Meaning	Body
`200`	Successful Response	JSON
`401`	The X-API-Key header is missing, or the key is unknown, revoked or replaced.	`Error`
`403`	The key is valid but may not do this (for example an agent key approving its own held action).	`Error`
`422`	Validation Error	`HTTPValidationError`
`429`	Rate limit or monthly quota reached. Wait for the number of seconds in Retry-After when it is sent.	`Error`

Try it

Your API key X-API-Key Remember the key in this tab onlyX-Tenant-ID headerRequest body application/json

This call changes data in the account the key belongs to.

The request goes from your browser straight to this site. Your key is not stored unless you tick the box, and then only in this tab's session storage.

Code

curl -sS -X POST 'https://cainstudio.online/fabric/memory/store' \
  -H "X-API-Key: $CAIN_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"agent_id": "agent-id", "memory_type": "memory-type", "content": "content", "source": "agent", "source_type": "agent", "confidence": 0.5, "sensitivity": "internal"}'

import json, os, urllib.request

req = urllib.request.Request('https://cainstudio.online/fabric/memory/store', method='POST',
    headers={"X-API-Key": os.environ["CAIN_API_KEY"], "Content-Type": "application/json"},
    data=json.dumps({
      "agent_id": "agent-id",
      "memory_type": "memory-type",
      "content": "content",
      "source": "agent",
      "source_type": "agent",
      "confidence": 0.5,
      "sensitivity": "internal"
    }).encode())
with urllib.request.urlopen(req, timeout=60) as r:
    print(r.status, json.load(r))

const res = await fetch("https://cainstudio.online/fabric/memory/store", {
  method: "POST",
  headers: {
    "X-API-Key": process.env.CAIN_API_KEY!,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "agent_id": "agent-id",
    "memory_type": "memory-type",
    "content": "content",
    "source": "agent",
    "source_type": "agent",
    "confidence": 0.5,
    "sensitivity": "internal"
  }),
});
console.log(res.status, await res.json());

Schemas used

Error · HTTPValidationError · StoreMemoryRequest · ValidationError

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