generated: '2026-07-21'
method: searched
source: https://www.yanyin.tech/product/mega-open-platform
summary: >-
  Cross-cutting API semantics documented on the Yanyin Mega Open Platform
  (开放平台) API gateway product page. No public OpenAPI is published; these are
  the gateway conventions the provider advertises for its developer center.
authentication:
  styles:
  - api_key
  - oauth2_client_credentials
  scope: per-tenant and per-application authorization
  notes: Unified authentication (统一鉴权) enforced at the API gateway.
idempotency:
  supported: true
  evidence: "API gateway advertises 幂等与重试 (idempotency and retry) as a core capability"
  source: https://www.yanyin.tech/product/mega-open-platform#api-gateway
request_signing:
  supported: true
  evidence: "请求签名 (request signing) enforced at the gateway"
rate_limiting:
  supported: true
  evidence: "统一鉴权与限流 (unified auth and rate limiting) at the gateway"
versioning:
  supported: true
  evidence: "版本与路由 (versioning and routing) managed by the gateway"
ip_allowlist:
  supported: true
  evidence: "IP 白名单 (IP whitelist) supported at gateway and webhook layers"
webhooks:
  supported: true
  signing: HMAC
  key_rotation: true
  delivery: exponential-backoff retry with event replay and target URL health checks
  cross_ref: asyncapi/yanyin-webhooks.yml
data_integration:
  formats: [CSV, JSON]
  features: [template validation, field mapping, scheduled/incremental sync, job monitoring]
cross_references:
  authentication: authentication/yanyin-authentication.yml
  webhooks: asyncapi/yanyin-webhooks.yml