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Additional Technical Considerations

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Idempotency & Duplicate Prevention

Idempotency Key Implementation 
POST /api/v1/bookings
Idempotency-Key: req_abc123xyz
First request response: 
201 Created
{booking details}
Duplicate request with same key: 
200 OK
{same booking details}
Requirements:
  • Valid for at least 24 hours
  • Unique per request (UUID v4 recommended)
  • Server returns same response for duplicate keys
  • 409 Conflict allowed if key reused with different payload

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Batch Operations

Bulk Availability Check 
POST /api/v1/availability/batch
Payload: 
{
  "queries": [
    {
      "query_id": "q1",
      "service_type": "inspection",
      "start_time": "2025-11-01T09:00:00Z"
    },
    {
      "query_id": "q2",
      "service_type": "inspection",
      "start_time": "2025-11-01T10:00:00Z"
    }
  ]
}
Response: 
{
  "results": [
    {
      "query_id": "q1",
      "available": true,
      "slots": []
    },
    {
      "query_id": "q2",
      "available": false,
      "reason": "provider_unavailable"
    }
  ]
}

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Internationalization

Multi-language Support – If serving international customers:
  • Support Accept-Language header
  • Localize error messages
  • Respect locale-specific date/time formats
  • Handle multi-currency pricing
Example: 
GET /api/v1/availability
Accept-Language: es-MX
Response includes localized service names and descriptions.

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Testing Checklist

Before production deployment we will validate:
  • All API endpoints functional and documented
  • Authentication working (OAuth, API keys, etc.)
  • Webhooks delivering successfully with retries
  • Error responses follow documented format
  • Rate limiting working as specified
  • Idempotency keys preventing duplicates
  • Timeout handling is graceful
  • SSL/TLS certificates valid
  • CORS policies correct (if applicable)
  • Health check endpoints responding
  • Monitoring and alerting configured
  • Sandbox and production environments separated
  • Load testing passed at expected volume
  • Security scan passed (OWASP, penetration test)
  • Disaster recovery tested
  • Runbook documented for common issues

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Summary

This addendum provides Avoca’s comprehensive technical requirements and capabilities for API integration. Highlights
  • Architecture: Real-time API-first approach with intelligent caching, Azure region agnostic with latency optimization
  • Security: OAuth 2.0 preferred, SOC 2 Type II in progress, strong encryption and compliance support
  • APIs: RESTful JSON design, webhook support strongly preferred, detailed schemas provided
  • Reliability: 99.9% uptime expectation, 200–500 ms response targets, robust error handling and retry logic
  • Support: Tiered escalation structure, 90-day deprecation notice, comprehensive monitoring and metrics
  • Timeline: 9–12 week integration with phased testing and deployment
Next Steps
  1. Review and confirm API specification alignment
  2. Establish sandbox access and credentials
  3. Schedule kickoff meeting and regular sync cadence
  4. Begin Phase 1 discovery activities
Please reach out if any technical requirements need clarification or if alternative implementation approaches should be discussed.