generated: '2026-07-18'
method: searched
source: openapi/cint-demand-openapi.yml
docs: https://developer.cint.com/demand/docs/2025-12-18/getting-started
summary: >-
  Cross-cutting request/response semantics for the Cint Exchange Demand API,
  derived from the OpenAPI and the developer portal. REST, JSON, standard HTTP
  verbs and status codes.
authentication:
  style: bearer-jwt
  header: Authorization
  formats: [Bearer JWT, API Key]
  ref: authentication/cint-authentication.yml
versioning:
  style: date-header
  header: Cint-API-Version
  ref: lifecycle/cint-lifecycle.yml
idempotency:
  supported: true
  header: Idempotency-Key
  applies_to: POST endpoints (single and asynchronous batch operations)
  key_formats: [ULID, UUID]
  purpose: safe retries without performing the same operation twice
  source: OpenAPI parameters IdempotencyKeyULIDRequired / IdempotencyKeyRequired / IdempotencyKeyUUID; described in info.description
conditional_requests:
  supported: true
  headers: [If-Match, If-None-Match]
  mechanism: ETag optimistic concurrency (RFC 7232)
pagination:
  styles:
  - style: offset
    params: [page_size, page_number]
  - style: cursor
    params: [next_cursor]
  - style: keyset
    params: [start_after, end_before]
  note: Pagination style varies by endpoint family.
error_envelope:
  media_type: application/json
  fields: [object, detail, invalid_params, title]
  format: json (not RFC9457 problem+json)
  ref: errors/cint-problem-types.yml
rate_limiting:
  signal: Retry-After header on 429 Too Many Requests
  ref: null
batch:
  supported: true
  note: Asynchronous batch endpoints for bulk updates on Fielding and Target Groups (Fielding (Batch), Target Groups (Batch) tags).
webhooks:
  supported: true
  ref: asyncapi/cint-webhooks.yml