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Validate an extra image attach

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Dry-runs the attach: the slot must exist on this extra, the upload must exist for this store and this API key, and its purpose must be the slot's. Nothing is written, the upload is not consumed, and no idempotency key is spent.

POST/api/v3/customisers/{customiser_id}/extras/{extra_id}/images/{image_slot}/validate-update
POSTValidate an extra image attach
POST/api/v3/customisers/{customiser_id}/extras/{extra_id}/images/{image_slot}/validate-update

Validate an extra image attach

Dry-runs the attach: the slot must exist on this extra, the upload must exist for this store and this API key, and its purpose must be the slot's. Nothing is written, the upload is not consumed, and no idempotency key is spent. Requires `customisers:write`. The staged bytes are deliberately not read, so this cannot tell you whether the file is a usable image — that verdict only exists once the attach reads the object, and reading it here would let a preflight mark a good upload rejected. Treat a valid verdict as "the upload is attachable", not "the file is sound".

Authorisation

The Authorization header expects a Bearer token. Generate one on the API keys page in your dashboard.

Path

The customiser id.

The extra id.

Which image to write: image.

Body
Validate an extra image attach

Overview

Requires customisers:write. The staged bytes are deliberately not read, so this cannot tell you whether the file is a usable image — that verdict only exists once the attach reads the object, and reading it here would let a preflight mark a good upload rejected. Treat a valid verdict as "the upload is attachable", not "the file is sound".

Authorisation

Bearer token required. Include it in the Authorization header.

Required scope: customisers:write

Path parameters

customiser_idstringpathrequired

The customiser id.

Example: 1

extra_idstringpathrequired

The extra id.

Example: 9

image_slotstringpathrequired

Which image to write: image.

Example: image

Request body

upload_idstringbody

Request body example

application/json
{
  "upload_id": "upl_9f2c4b7ad13e6058ba41cd4201"
}
Validate an extra image attach
curl https://web.signcustomiser.com/api/v3/customisers/1/extras/9/images/image/validate-update \
  --request POST \
  --header 'Accept: application/json' \
  --header 'Authorization: Bearer YOUR_API_TOKEN' \
  --header 'Content-Type: application/json' \
  --data '{
  "upload_id": "upl_9f2c4b7ad13e6058ba41cd4201"
}'
Response
{
  "data": {
    "object": "extra_image_validation",
    "operation": "update",
    "customiser_id": 42,
    "extra_id": 9,
    "image_slot": "image",
    "valid": true
  },
  "links": {
    "self": "https://web.signcustomiser.com/api/v3/customisers/42/extras/9/images/image/validate-update",
    "documentation": "https://www.signcustomiser.com/help/api/"
  },
  "meta": {
    "api_version": "v3",
    "request_id": "req_01jz9x2k7c8f3m5n6p7q8r9s0t"
  }
}

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