[API Name] API Documentation

Overview

Base URL: https://api.example.com/v1

Version: 1.0.0

Last Updated: [Date]

[Brief description of the API, its purpose, and main functionalities]

Authentication

This API uses [Authentication Method] for authentication.

Bearer Token

Authorization: Bearer YOUR_ACCESS_TOKEN

API Key

X-API-Key: YOUR_API_KEY

OAuth 2.0

[OAuth flow description if applicable]

Rate Limiting

• Rate Limit: 1000 requests per hour
• Rate Limit Header: X-RateLimit-Limit
• Remaining Requests: X-RateLimit-Remaining
• Reset Time: X-RateLimit-Reset

Common Headers

Request Headers

Response Headers

Error Handling

Error Response Format

{
  "error": {
    "code": "ERROR_CODE",
    "message": "Human-readable error message",
    "details": {
      "field": "Additional error details"
    },
    "timestamp": "2024-01-01T00:00:00Z",
    "request_id": "req_123456"
  }
}

Common Error Codes

Endpoints

[Resource Name] (e.g., Users)

List [Resources]

GET /[resources]

Query Parameters | Parameter | Type | Required | Description | |-----------|------|----------|-------------| | page | integer | No | Page number (default: 1) | | limit | integer | No | Items per page (default: 20, max: 100) | | sort | string | No | Sort field (e.g., created_at, -updated_at) | | filter | string | No | Filter expression |

Response

{
  "data": [
    {
      "id": "123",
      "field1": "value1",
      "field2": "value2",
      "created_at": "2024-01-01T00:00:00Z",
      "updated_at": "2024-01-01T00:00:00Z"
    }
  ],
  "meta": {
    "page": 1,
    "limit": 20,
    "total": 100,
    "pages": 5
  }
}

Get [Resource]

GET /[resources]/{id}

Path Parameters | Parameter | Type | Required | Description | |-----------|------|----------|-------------| | id | string | Yes | Resource identifier |

Response

{
  "data": {
    "id": "123",
    "field1": "value1",
    "field2": "value2",
    "created_at": "2024-01-01T00:00:00Z",
    "updated_at": "2024-01-01T00:00:00Z"
  }
}

Create [Resource]

POST /[resources]

Request Body

{
  "field1": "value1",
  "field2": "value2"
}

Validation Rules | Field | Type | Required | Validation | |-------|------|----------|------------| | field1 | string | Yes | Min: 3, Max: 255 | | field2 | string | No | Valid email |

Response (201 Created)

{
  "data": {
    "id": "123",
    "field1": "value1",
    "field2": "value2",
    "created_at": "2024-01-01T00:00:00Z",
    "updated_at": "2024-01-01T00:00:00Z"
  }
}

Update [Resource]

PUT /[resources]/{id}

Path Parameters | Parameter | Type | Required | Description | |-----------|------|----------|-------------| | id | string | Yes | Resource identifier |

Request Body

{
  "field1": "updated_value1",
  "field2": "updated_value2"
}

Response

{
  "data": {
    "id": "123",
    "field1": "updated_value1",
    "field2": "updated_value2",
    "created_at": "2024-01-01T00:00:00Z",
    "updated_at": "2024-01-01T12:00:00Z"
  }
}

Partial Update [Resource]

PATCH /[resources]/{id}

Request Body

{
  "field1": "updated_value1"
}

Delete [Resource]

DELETE /[resources]/{id}

Response (204 No Content)

Bulk Operations

Bulk Create

POST /[resources]/bulk

Request Body

{
  "data": [
    {
      "field1": "value1",
      "field2": "value2"
    },
    {
      "field1": "value3",
      "field2": "value4"
    }
  ]
}

Response

{
  "data": {
    "created": 2,
    "failed": 0,
    "results": [
      {
        "id": "123",
        "status": "created"
      },
      {
        "id": "124",
        "status": "created"
      }
    ]
  }
}

Webhooks

Webhook Events

Webhook Payload

{
  "event": "resource.created",
  "data": {
    "id": "123",
    "field1": "value1",
    "field2": "value2"
  },
  "timestamp": "2024-01-01T00:00:00Z",
  "signature": "sha256=..."
}

Webhook Security

Verify webhook signatures using HMAC-SHA256:

const crypto = require('crypto');

function verifyWebhookSignature(payload, signature, secret) {
  const expectedSignature = crypto
    .createHmac('sha256', secret)
    .update(payload)
    .digest('hex');

  return signature === `sha256=${expectedSignature}`;
}

Pagination

Cursor-based Pagination

GET /resources?cursor=eyJpZCI6MTIzfQ&limit=20

Response

{
  "data": [...],
  "meta": {
    "has_more": true,
    "next_cursor": "eyJpZCI6MTQzfQ"
  }
}

Offset-based Pagination

GET /resources?page=2&limit=20

Filtering

Simple Filters

GET /resources?status=active&type=premium

Advanced Filters

GET /resources?filter[created_at][gte]=2024-01-01&filter[created_at][lt]=2024-02-01

Filter Operators

Versioning

API versioning is handled through the URL path:

• https://api.example.com/v1/ - Version 1
• https://api.example.com/v2/ - Version 2

Deprecation Policy

• Deprecated endpoints include Deprecation header
• Sunset date provided in Sunset header
• Migration guide provided in documentation

SDK Examples

JavaScript/TypeScript

import { ApiClient } from '@company/api-client';

const client = new ApiClient({
  apiKey: 'YOUR_API_KEY',
  baseUrl: 'https://api.example.com/v1'
});

// List resources
const resources = await client.resources.list({
  page: 1,
  limit: 20
});

// Create resource
const newResource = await client.resources.create({
  field1: 'value1',
  field2: 'value2'
});

Python

from company_api import Client

client = Client(api_key='YOUR_API_KEY')

# List resources
resources = client.resources.list(page=1, limit=20)

# Create resource
new_resource = client.resources.create(
    field1='value1',
    field2='value2'
)

cURL

# List resources
curl -X GET "https://api.example.com/v1/resources" \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
  -H "Accept: application/json"

# Create resource
curl -X POST "https://api.example.com/v1/resources" \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "field1": "value1",
    "field2": "value2"
  }'

Testing

Sandbox Environment

• Base URL: https://sandbox-api.example.com/v1
• Test Credentials: Available in developer dashboard
• Data Reset: Daily at 00:00 UTC

Test Cards/Data

[Include test data for payment cards, phone numbers, etc.]

Changelog

Version 1.0.0 (2024-01-01)

• Initial release
• Added user management endpoints
• Added authentication

Version 0.9.0 (2023-12-01)

• Beta release
• Core functionality

Support

Contact

• Email: api-support@example.com
• Developer Portal: https://developers.example.com
• Status Page: https://status.example.com

Resources

• API Reference
• SDKs and Libraries
• Postman Collection
• OpenAPI Specification