API reference · CAIN Memory

Api Update Memory

PATCH /fabric/memory/update/{memory_id}

Last reviewed 2026-10-02

PATCH /fabric/memory/update/{memory_id}

Update a memory entry.

Parameters

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

Request body

UpdateMemoryRequest (required)

Field	Type	Meaning
`content`	string or null	min length `1` · max length `65536`
`confidence`	number or null	min `0.0` · max `1.0`
`tags`	array of string or null
`metadata`	object or null

Responses

Status	Meaning	Body
`200`	Successful Response	JSON
`422`	Validation Error	`HTTPValidationError`
`401`	No key, or a key that is not valid	JSON `detail`
`429`	Rate limit for your plan reached; retry after the Retry-After seconds	JSON `detail`

Try it

Your API key X-API-Key Remember the key in this tab onlymemory_id pathX-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 PATCH 'https://cainstudio.online/fabric/memory/update/<memory_id>' \
  -H "X-API-Key: $CAIN_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{}'

import json, os, urllib.request

req = urllib.request.Request('https://cainstudio.online/fabric/memory/update/<memory_id>', method='PATCH',
    headers={"X-API-Key": os.environ["CAIN_API_KEY"], "Content-Type": "application/json"},
    data=json.dumps({}).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/update/<memory_id>", {
  method: "PATCH",
  headers: {
    "X-API-Key": process.env.CAIN_API_KEY!,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({}),
});
console.log(res.status, await res.json());

Schemas used

HTTPValidationError · UpdateMemoryRequest · ValidationError

← Api Set Trust Level · all 22 CAIN Memory calls · Api Demote Memory →

Try CAIN-42 on your own agents

Create a free account and every new account starts with a 7-day trial of the full platform. Or try the sandbox first, with no account at all.

Create a free account → · Try the sandbox · See the whole ecosystem