Say an item is still there as recorded

inventory.item.confirm

POST/api/v1/households/{household_id}/commands/inventory.item.confirm

Command
Rigel runs it
Applies offline

Marks the item as seen now, or at at, without changing anything else. A time earlier than the item's last confirmation is ignored, and a time in the future counts as now. Errors: item_not_found.

Parameters#

Say an item is still there as recorded: parameters
Field	Description
`household_id`pathstringrequired	The household's ID.
`Idempotency-Key`headerstringoptional	The command's ID. Reuse it when retrying the same command.

Request body#

JSON, as application/json.

Say an item is still there as recorded: request body fields
Field	Description
`item_id`stringrequired	The item that is still there.
`at`string (date-time)optional	When this was known to be true, if not now: for a photo, when it was taken. A time after the command is treated as now.

Response#

200 The command was applied.

Say an item is still there as recorded: response fields
Field	Description
`result`objectrequired	What the command returned, such as the IDs it created.
`version`integerrequired	The household version after the command.

Errors#

Every error has the same envelope: error.code, error.message, error.details, error.recovery and error.request_id.

Say an item is still there as recorded: errors
Status	Code	When
`400`	`validation_failed`	A field is missing, misspelled or out of range. details.fields lists each problem.
`401`	`unauthenticated`	The request has no valid session.
`404`	`item_not_found`	The item doesn't exist in this household. An unknown item.
`404`	`not_found`	The household doesn't exist, or you aren't a member of it.
`409`	`idempotency_key_reused`	The Idempotency-Key was already used for a different command.

Examples#

These are real. Each scenario is one of the command's test cases, run on a household when this site was built, and the response is what the API returned.

Confirms as of now

Request, curl

curl -X POST 'https://rigel.house/api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm' \
  -H "Cookie: rigel_session=$RIGEL_SESSION" \
  -H 'Content-Type: application/json' \
  -H 'Idempotency-Key: cmd_01JC4N0000AAAAAAAAAAAAAAAA' \
  -d '{
  "item_id": "inv_01JC000000000000000000000A"
}'

Request, TypeScript

const response = await fetch("https://rigel.house/api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Idempotency-Key": "cmd_01JC4N0000AAAAAAAAAAAAAAAA",
    Cookie: `rigel_session=${process.env.RIGEL_SESSION}`,
  },
  body: JSON.stringify({
    item_id: "inv_01JC000000000000000000000A",
  }),
});
const data = await response.json();

Request, HTTP

POST /api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm HTTP/1.1
Host: rigel.house
Cookie: rigel_session=<your session>
Content-Type: application/json
Idempotency-Key: cmd_01JC4N0000AAAAAAAAAAAAAAAA

{
  "item_id": "inv_01JC000000000000000000000A"
}

Response, 200

HTTP/1.1 200 OK
Content-Type: application/json
X-Request-Id: req_01K9D9S2R0VKBTZ3PTWCCY62G8

{
  "result": {},
  "version": 1
}

Confirms as of a time given

Request, curl

curl -X POST 'https://rigel.house/api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm' \
  -H "Cookie: rigel_session=$RIGEL_SESSION" \
  -H 'Content-Type: application/json' \
  -H 'Idempotency-Key: cmd_01JC4N0000AAAAAAAAAAAAAAAA' \
  -d '{
  "item_id": "inv_01JC000000000000000000000A",
  "at": "2025-11-04T23:46:40.000Z"
}'

Request, TypeScript

const response = await fetch("https://rigel.house/api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Idempotency-Key": "cmd_01JC4N0000AAAAAAAAAAAAAAAA",
    Cookie: `rigel_session=${process.env.RIGEL_SESSION}`,
  },
  body: JSON.stringify({
    item_id: "inv_01JC000000000000000000000A",
    at: "2025-11-04T23:46:40.000Z",
  }),
});
const data = await response.json();

Request, HTTP

POST /api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm HTTP/1.1
Host: rigel.house
Cookie: rigel_session=<your session>
Content-Type: application/json
Idempotency-Key: cmd_01JC4N0000AAAAAAAAAAAAAAAA

{
  "item_id": "inv_01JC000000000000000000000A",
  "at": "2025-11-04T23:46:40.000Z"
}

Response, 200

HTTP/1.1 200 OK
Content-Type: application/json
X-Request-Id: req_01K9D9S2R0SFFFZTHAJ3WE69AP

{
  "result": {},
  "version": 1
}

A time before the last confirmation changes nothing but updated_at

Request, curl

curl -X POST 'https://rigel.house/api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm' \
  -H "Cookie: rigel_session=$RIGEL_SESSION" \
  -H 'Content-Type: application/json' \
  -H 'Idempotency-Key: cmd_01JC4N0000AAAAAAAAAAAAAAAA' \
  -d '{
  "item_id": "inv_01JC000000000000000000000A",
  "at": "2025-11-01T12:26:40.000Z"
}'

Request, TypeScript

const response = await fetch("https://rigel.house/api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Idempotency-Key": "cmd_01JC4N0000AAAAAAAAAAAAAAAA",
    Cookie: `rigel_session=${process.env.RIGEL_SESSION}`,
  },
  body: JSON.stringify({
    item_id: "inv_01JC000000000000000000000A",
    at: "2025-11-01T12:26:40.000Z",
  }),
});
const data = await response.json();

Request, HTTP

POST /api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm HTTP/1.1
Host: rigel.house
Cookie: rigel_session=<your session>
Content-Type: application/json
Idempotency-Key: cmd_01JC4N0000AAAAAAAAAAAAAAAA

{
  "item_id": "inv_01JC000000000000000000000A",
  "at": "2025-11-01T12:26:40.000Z"
}

Response, 200

HTTP/1.1 200 OK
Content-Type: application/json
X-Request-Id: req_01K9D9S2R0X3KMK7VW5E5X7XJN

{
  "result": {},
  "version": 1
}

A time in the future counts as now

Request, curl

curl -X POST 'https://rigel.house/api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm' \
  -H "Cookie: rigel_session=$RIGEL_SESSION" \
  -H 'Content-Type: application/json' \
  -H 'Idempotency-Key: cmd_01JC4N0000AAAAAAAAAAAAAAAA' \
  -d '{
  "item_id": "inv_01JC000000000000000000000A",
  "at": "2026-11-06T19:20:00.000Z"
}'

Request, TypeScript

const response = await fetch("https://rigel.house/api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Idempotency-Key": "cmd_01JC4N0000AAAAAAAAAAAAAAAA",
    Cookie: `rigel_session=${process.env.RIGEL_SESSION}`,
  },
  body: JSON.stringify({
    item_id: "inv_01JC000000000000000000000A",
    at: "2026-11-06T19:20:00.000Z",
  }),
});
const data = await response.json();

Request, HTTP

POST /api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm HTTP/1.1
Host: rigel.house
Cookie: rigel_session=<your session>
Content-Type: application/json
Idempotency-Key: cmd_01JC4N0000AAAAAAAAAAAAAAAA

{
  "item_id": "inv_01JC000000000000000000000A",
  "at": "2026-11-06T19:20:00.000Z"
}

Response, 200

HTTP/1.1 200 OK
Content-Type: application/json
X-Request-Id: req_01K9D9S2R0312PC3F740RXT5PD

{
  "result": {},
  "version": 1
}

An unknown item

Request, curl

curl -X POST 'https://rigel.house/api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm' \
  -H "Cookie: rigel_session=$RIGEL_SESSION" \
  -H 'Content-Type: application/json' \
  -H 'Idempotency-Key: cmd_01JC4N0000AAAAAAAAAAAAAAAA' \
  -d '{
  "item_id": "inv_01JC000000000000000000000Z"
}'

Request, TypeScript

const response = await fetch("https://rigel.house/api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Idempotency-Key": "cmd_01JC4N0000AAAAAAAAAAAAAAAA",
    Cookie: `rigel_session=${process.env.RIGEL_SESSION}`,
  },
  body: JSON.stringify({
    item_id: "inv_01JC000000000000000000000Z",
  }),
});
const data = await response.json();

Request, HTTP

POST /api/v1/households/hh_01K9BKKP003AHRZ6DMV29GQY5C/commands/inventory.item.confirm HTTP/1.1
Host: rigel.house
Cookie: rigel_session=<your session>
Content-Type: application/json
Idempotency-Key: cmd_01JC4N0000AAAAAAAAAAAAAAAA

{
  "item_id": "inv_01JC000000000000000000000Z"
}

Response, 404

HTTP/1.1 404 Not Found
Content-Type: application/json
X-Request-Id: req_01K9D9S2R0CFP29E4SEP4M7GGC

{
  "error": {
    "code": "item_not_found",
    "message": "That item isn't in the inventory any more. No changes were applied.",
    "details": {
      "item_id": "inv_01JC000000000000000000000Z"
    },
    "recovery": "Read the current state, then send a command that fits it.",
    "request_id": "req_01K9D9S2R0CFP29E4SEP4M7GGC"
  }
}

Confirm something is still there

Request, curl

curl -X POST 'https://rigel.house/api/v1/households/hh_01M6V9CS6GGVFCY7NAS8ZTQV95/commands/inventory.item.confirm' \
  -H "Cookie: rigel_session=$RIGEL_SESSION" \
  -H 'Content-Type: application/json' \
  -H 'Idempotency-Key: cmd_01M6V9CSCJ129CWEEHQPYRTKW8' \
  -d '{
  "item_id": "inv_01M6V9CSAWTFE7ARBQF4CXQ31Q"
}'

Request, TypeScript

const response = await fetch("https://rigel.house/api/v1/households/hh_01M6V9CS6GGVFCY7NAS8ZTQV95/commands/inventory.item.confirm", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Idempotency-Key": "cmd_01M6V9CSCJ129CWEEHQPYRTKW8",
    Cookie: `rigel_session=${process.env.RIGEL_SESSION}`,
  },
  body: JSON.stringify({
    item_id: "inv_01M6V9CSAWTFE7ARBQF4CXQ31Q",
  }),
});
const data = await response.json();

Request, HTTP

POST /api/v1/households/hh_01M6V9CS6GGVFCY7NAS8ZTQV95/commands/inventory.item.confirm HTTP/1.1
Host: rigel.house
Cookie: rigel_session=<your session>
Content-Type: application/json
Idempotency-Key: cmd_01M6V9CSCJ129CWEEHQPYRTKW8

{
  "item_id": "inv_01M6V9CSAWTFE7ARBQF4CXQ31Q"
}

Response, 200

HTTP/1.1 200 OK
Content-Type: application/json
X-Request-Id: req_01M6V9CSCJEN6PN3C588Q1PY65

{
  "result": {},
  "version": 44
}

For Rigel#

Rigel's tool for this command is inventory_item_confirm. Rigel runs this on its own, then says what it did. The agent guide has the rest.