name: Nexo API Rate Limits
description: >-
  Rate limits for the Nexo Pro Trading REST API and Nexo Payment Gateway API.
  Nexo Pro enforces per-API-key rate limits to protect services against abuse
  and attacks. The Payment Gateway API has no publicly documented rate limits
  but requires HTTPS and proper API key authentication.
specificationVersion: '0.1'
rateLimits:
  - name: Nexo Pro REST API Rate Limit
    description: >-
      Each API key on the Nexo Pro REST API has a default rate limit of 10
      requests per second. This limit applies to all REST endpoints including
      account summary, pairs, orders, trade history, and futures.
    api: Nexo Pro Trading API
    scope: per-api-key
    limit: 10
    period: second
    periodUnit: second
    enforcement: request-based
    headers:
      - name: X-API-KEY
        description: API key used to identify and rate-limit the caller
    notes: >-
      Each user can create up to 5 API keys on the Nexo Pro platform. Rate
      limits are applied per individual API key. Exceeding the rate limit
      returns an error response.
  - name: Nexo Pro WebSocket Rate Limit
    description: >-
      WebSocket connections to Nexo Pro are available for real-time market data
      and order updates. Specific per-connection rate limits are not publicly
      documented.
    api: Nexo Pro Trading API
    scope: per-connection
    notes: >-
      WebSocket API is available for real-time data streams. Consult official
      documentation for detailed WebSocket rate limiting policies.
  - name: Nexo Payment Gateway Rate Limit
    description: >-
      The Nexo Payment Gateway API does not publicly document specific rate
      limits. All requests require API key authentication via x-api-key header
      and must use HTTPS. Webhook delivery expects HTTP 200-299 response within
      10 seconds.
    api: Nexo Payment Gateway API
    scope: per-api-key
    notes: >-
      Webhook endpoint must respond within 10 seconds with a 200-299 HTTP status
      code. No sandbox environment is available; testing occurs in production.
      Contact Nexo merchant support for specific rate limit policies.