256 lines
4.7 KiB
Markdown
256 lines
4.7 KiB
Markdown
# [Service Name] Integration
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> **Category:** External Interface
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> **Service:** [Service Name]
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> **Last Updated:** [Date]
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> **Status:** [Active/Deprecated/Planned]
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## Overview
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**Service:** [Full service name]
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**Provider:** [Company/organization]
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**Purpose:** [What this integration accomplishes]
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**Documentation:** [Link to official API docs]
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## Authentication
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### Method
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[OAuth 2.0 / API Key / Basic Auth / JWT / etc.]
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### Credentials Management
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**Location:** [Where credentials are stored]
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**Environment Variables:**
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```bash
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SERVICE_API_KEY=xxx
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SERVICE_SECRET=xxx
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SERVICE_ENDPOINT=https://...
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```
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**Rotation Policy:** [How often credentials change]
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### Authentication Example
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```[language]
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// Example of authentication setup
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[Code snippet]
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```
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## API Endpoints Used
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### Endpoint 1: [Name]
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**URL:** `[METHOD] /path/to/endpoint`
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**Purpose:** [What this endpoint does]
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**Request:**
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```json
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{
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"field1": "value",
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"field2": "value"
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}
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```
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**Response:**
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```json
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{
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"status": "success",
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"data": { }
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}
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```
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**Error Handling:**
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- `400`: [How we handle]
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- `401`: [How we handle]
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- `500`: [How we handle]
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### Endpoint 2: [Name]
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**URL:** `[METHOD] /path/to/endpoint`
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**Purpose:** [What this endpoint does]
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[Same structure as above]
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## Webhooks (if applicable)
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### Webhook 1: [Event Name]
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**Event Type:** `[event.type]`
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**Trigger:** [When this fires]
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**URL:** `[Your webhook endpoint]`
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**Payload:**
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```json
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{
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"event": "type",
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"data": { }
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}
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```
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**Signature Verification:**
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```[language]
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// How to verify webhook authenticity
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[Code snippet]
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```
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**Handling:**
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```[language]
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// How we process this webhook
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[Code snippet]
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```
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## Rate Limits
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- **Requests per second:** [Limit]
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- **Requests per day:** [Limit]
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- **Burst limit:** [Limit]
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**Handling Strategy:** [How we respect limits]
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```[language]
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// Rate limiting implementation
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[Code snippet]
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```
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## Data Mapping
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### Our Model → Service Model
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| Our Field | Service Field | Transformation |
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|-----------|---------------|----------------|
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| `userId` | `external_id` | String conversion |
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| `email` | `email_address` | Direct mapping |
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| `amount` | `total_cents` | Multiply by 100 |
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### Service Model → Our Model
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| Service Field | Our Field | Transformation |
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|---------------|-----------|----------------|
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| `id` | `externalId` | Direct mapping |
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| `status` | `state` | Enum mapping |
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| `created_at` | `createdAt` | ISO 8601 parse |
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## Error Handling
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### Common Errors
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**Error 1: [Name/Code]**
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- **Cause:** [What triggers this]
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- **Recovery:** [How we handle it]
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- **Retry:** [Yes/No, strategy]
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**Error 2: [Name/Code]**
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- **Cause:** [What triggers this]
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- **Recovery:** [How we handle it]
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- **Retry:** [Yes/No, strategy]
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### Retry Strategy
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```[language]
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// Exponential backoff implementation
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[Code snippet]
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```
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## Testing
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### Test Credentials
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**Sandbox URL:** `https://sandbox.service.com`
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**Test API Key:** `[Where to get it]`
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### Mock Server
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**Location:** `tests/mocks/[service]-mock.ts`
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**Usage:**
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```[language]
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// How to use mock in tests
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[Code snippet]
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```
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### Integration Tests
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```[language]
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// Example integration test
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[Code snippet]
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```
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## Monitoring
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### Health Checks
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**Endpoint:** `[Service status endpoint]`
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**Frequency:** [How often we check]
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### Metrics to Track
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- Request success rate
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- Response time (p50, p95, p99)
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- Error rate by type
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- Rate limit proximity
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### Alerts
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- **Critical:** [Conditions that trigger urgent alerts]
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- **Warning:** [Conditions that trigger warnings]
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## Security Considerations
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- [Security consideration 1]
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- [Security consideration 2]
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- [Security consideration 3]
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## Compliance
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**Data Handling:**
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- PII fields: [List]
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- Retention policy: [Duration]
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- Geographic restrictions: [Any]
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**Regulations:**
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- GDPR: [Compliance notes]
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- CCPA: [Compliance notes]
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- Other: [Relevant regulations]
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## Cost Considerations
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**Pricing Model:** [How service charges]
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**Cost per request:** [Estimate]
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**Monthly estimate:** [Based on usage]
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## Migration/Upgrade Path
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**Current Version:** [Version]
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**Upgrade Available:** [Yes/No, version]
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**Breaking Changes:** [List if applicable]
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**Migration Steps:**
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1. [Step 1]
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2. [Step 2]
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3. [Step 3]
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## Related Documentation
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- **Patterns:** [Pattern Doc](../patterns/doc.md) - [How we use this service]
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- **Domain:** [Domain Doc](../domain/doc.md) - [Business rules related to this]
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- **Specifications:** [Spec](../specs/NNN-name/SDD.md) - [Implementation details]
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## External Resources
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- [Official API documentation]
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- [Status page]
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- [Developer community/forum]
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- [SDK/library used]
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## Contact
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**Support:** [How to get help]
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**Account Manager:** [If applicable]
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**Escalation:** [Critical issue contact]
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## Version History
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| Date | Change | Author |
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|------|--------|--------|
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| [Date] | Initial integration | [Name/Tool] |
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| [Date] | Updated to v2 API | [Name/Tool] |
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