generated: '2026-08-02'
method: searched
source: https://docs.blockchain.com/pay/api/partner-api/rate-limits
rate_limits:
- api: Blockchain.com Pay Partner API
  tier: public authentication
  limit_count: 10
  limit_unit: second
  scope: per IPv4 address or IPv6 /64 range
  applies_when: request carries only X-Public-API-Key
  exceeded_status: 429
  headers:
  - Retry-After
  docs: https://docs.blockchain.com/pay/api/partner-api/rate-limits
- api: Blockchain.com Pay Partner API
  tier: private authentication
  limit_count: 100
  limit_unit: second
  scope: all API keys across the partner organization
  applies_when: request carries both X-Public-API-Key and X-Private-API-Key
  exceeded_status: 429
  headers:
  - Retry-After
  docs: https://docs.blockchain.com/pay/api/partner-api/rate-limits
guidance:
  strategy: exponential backoff on 429, honouring Retry-After
  source: https://docs.blockchain.com/pay/api/partner-api/rate-limits
gaps:
- >-
  The Exchange REST API and the blockchain.info Data / Query / Charts APIs
  publish no numeric rate limits in their documentation or OpenAPI; only the Pay
  Partner API documents thresholds.