generated: '2026-07-19'
method: searched
source: https://merchantapi.fyndiq.com (Fyndiq Merchant API documentation)
api: openapi/fyndiq-merchant-api-openapi.yml
authentication:
  style: http-basic
  detail: >-
    All endpoints require HTTP Basic Authentication. The Authorization header
    carries "Basic" followed by the Base64-encoded string "merchantID:token".
  ref: authentication/fyndiq-authentication.yml
transport:
  content_type: application/json
  tls: TLS 1.2+ required (TLS 1.0 not supported; TLS 1.1 minimum)
idempotency:
  supported: false
  note: >-
    Fyndiq does not document an idempotency-key mechanism. Bulk create/update
    endpoints process batches but no client-supplied idempotency key is defined.
pagination:
  style: limit-offset
  applies_to: [listArticles]
  detail: >-
    List articles is paginated; callers can retrieve up to 1000 articles per
    page via limit/offset-style paging.
filtering:
  applies_to: [listOrders]
  detail: The order `state` field supports filtering (CREATED / FULFILLED / CANCELLED); new orders are returned by default.
versioning:
  scheme: uri-path
  current: v1
  detail: Version is carried in the URL path (/api/v1/).
error_envelope:
  format: custom
  shape:
    description: string (human-readable summary)
    errors: object (field-level validation detail, when applicable)
  ref: errors/fyndiq-problem-types.yml
localization:
  detail: Article title and description are arrays of {language, value} objects; price and shipping_time are per-market arrays.
environments:
  live: https://merchants-api.fyndiq.se/api/v1/
  sandbox: https://merchants-api.sandbox.fyndiq.se/api/v1/
  ref: sandbox/fyndiq-sandbox.yml
rate_limits:
  documented: false
  note: No published rate-limit headers or quotas; bulk endpoints cap batch size (100 create / 200 update).