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Validate an extra choice image attach

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Dry-runs the attach: the extra must offer this choice, the slot must be one of the two, 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}/choices/{choice_value}/images/{image_slot}/validate-update
POSTValidate an extra choice image attach
POST/api/v3/customisers/{customiser_id}/extras/{extra_id}/choices/{choice_value}/images/{image_slot}/validate-update

Validate an extra choice image attach

Dry-runs the attach: the extra must offer this choice, the slot must be one of the two, 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.

The choice's value, percent-encoded as one path segment.

Which picture to write: `image` or `example_image`.

Body
Validate an extra choice 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

choice_valuestringpathrequired

The choice's value, percent-encoded as one path segment.

Example: oak

image_slotstringpathrequired

Which picture to write: `image` or `example_image`.

Example: image

Request body

upload_idstringbody

Request body example

application/json
{
  "upload_id": "upl_9f2c4b7ad13e6058ba41cd4201"
}
Validate an extra choice image attach
curl https://web.signcustomiser.com/api/v3/customisers/1/extras/9/choices/oak/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_choice_image_validation",
    "operation": "update",
    "customiser_id": 42,
    "extra_id": 9,
    "choice_value": "oak",
    "image_slot": "image",
    "valid": true
  },
  "links": {
    "self": "https://web.signcustomiser.com/api/v3/customisers/42/extras/9/choices/oak/images/image/validate-update",
    "documentation": "https://www.signcustomiser.com/help/api/"
  },
  "meta": {
    "api_version": "v3",
    "request_id": "req_01jz9x2k7c8f3m5n6p7q8r9s0t"
  }
}

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