Customiser backboards

Delete a backboard image

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Clears one of the backboard's image slots and deletes the stored file, returning a receipt naming what was removed and the backboard as it now stands. Requires customisers:write and an Idempotency-Key.

DELETE/api/v3/customisers/{customiser_id}/backboards/{backboard_id}/images/{image_slot}

Delete a backboard image

Clears one of the backboard's image slots and deletes the stored file, returning a receipt naming what was removed and the backboard as it now stands. Requires `customisers:write` and an `Idempotency-Key`. Deleting from a slot that holds no image answers 404. The delete clears the customiser's cached storefront configuration and runs the advisory language sync, and never regenerates Shopify products, product images, or the product cache.

Delete a backboard image

Overview

Deleting from a slot that holds no image answers 404. The delete clears the customiser's cached storefront configuration and runs the advisory language sync, and never regenerates Shopify products, product images, or the product cache.

Authorisation

Bearer token required. Include it in theAuthorization header.

Required scope: customisers:write

Path parameters

customiser_idstringpathrequired

The customiser id.

Example: 1

backboard_idstringpathrequired

The backboard id.

Example: 11

image_slotstringpathrequired

Which image to remove: image or button_image.

Example: image

Delete a backboard image

curl https://web.signcustomiser.com/api/v3/customisers/1/backboards/11/images/image \
  --request DELETE \
  --header 'Accept: application/json' \
  --header 'Authorization: Bearer YOUR_API_TOKEN'

{
  "data": {
    "object": "file_deletion_receipt",
    "slot": "image",
    "customiser_id": 42,
    "backboard_id": 11,
    "deleted": true,
    "removed_file": {
      "filename": "clear-acrylic.png",
      "url": "https://cdn.example.com/files/2f1c9c0e-6a7b-4c1d-8e2f-3a4b5c6d7e8f.png"
    },
    "resource": {
      "object": "backboard",
      "id": 11,
      "customiser_id": 42,
      "name": "Clear Acrylic Panel",
      "description": null,
      "backboard_type": "board",
      "letter_type_ids": [
        3
      ],
      "outline_size": null,
      "allow_multilayer": false,
      "custom_background_enabled": false,
      "show_custom_background": false,
      "base_price": 0,
      "currency": "USD",
      "price_multiplier": 1,
      "price_multiplier_target": "base_letter_price",
      "price_per_sq_cm": null,
      "sort_order": 1,
      "image_url": null,
      "button_image_url": null,
      "geometry": {
        "has_custom_shape": false,
        "status": null,
        "failure_reason": null,
        "measured_at": null
      },
      "created_at": "2026-08-13T00:00:00Z",
      "updated_at": "2026-08-13T00:05:00Z"
    }
  },
  "links": {
    "self": "https://web.signcustomiser.com/api/v3/customisers/42/backboards/11/images/image",
    "documentation": "https://www.signcustomiser.com/help/api/"
  },
  "meta": {
    "api_version": "v3",
    "request_id": "req_01jz9x2k7c8f3m5n6p7q8r9s0t"
  }
}

{
  "type": "https://www.signcustomiser.com/help/api/problems/missing_idempotency_key",
  "title": "Missing idempotency key",
  "status": 400,
  "code": "missing_idempotency_key",
  "detail": "Provide an Idempotency-Key header for this write.",
  "request_id": "req_01jz9x2k7c8f3m5n6p7q8r9s0t"
}

{
  "type": "https://www.signcustomiser.com/help/api/problems/missing_api_key",
  "title": "Missing API key",
  "status": 401,
  "code": "missing_api_key",
  "detail": "Provide a store API key as a bearer token.",
  "request_id": "req_01jz9x2k7c8f3m5n6p7q8r9s0t"
}

{
  "type": "https://www.signcustomiser.com/help/api/problems/insufficient_scope",
  "title": "Insufficient scope",
  "status": 403,
  "code": "insufficient_scope",
  "detail": "This operation requires the customisers:write scope.",
  "required_scopes": [
    "customisers:write"
  ],
  "granted_scopes": [
    "customisers:read"
  ],
  "request_id": "req_01jz9x2k7c8f3m5n6p7q8r9s0t"
}

{
  "type": "https://www.signcustomiser.com/help/api/problems/resource_not_found",
  "title": "Resource not found",
  "status": 404,
  "code": "resource_not_found",
  "detail": "The requested resource does not exist or does not belong to the authenticated store.",
  "request_id": "req_01jz9x2k7c8f3m5n6p7q8r9s0t"
}

{
  "type": "https://www.signcustomiser.com/help/api/problems/idempotency_key_conflict",
  "title": "Idempotency key conflict",
  "status": 409,
  "code": "idempotency_key_conflict",
  "detail": "This Idempotency-Key was already used for a different request body on this operation.",
  "request_id": "req_01jz9x2k7c8f3m5n6p7q8r9s0t"
}

{
  "type": "https://www.signcustomiser.com/help/api/problems/rate_limited",
  "title": "Too many requests",
  "status": 429,
  "code": "rate_limited",
  "detail": "You have exceeded the request limit for this API key.",
  "retry_after": 37,
  "request_id": "req_01jz9x2k7c8f3m5n6p7q8r9s0t"
}