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From aai-docs
Provides Markdown standards and templates for documenting REST and GraphQL APIs, covering endpoints, parameters, authentication, pagination, and error responses.
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Standards for documenting REST and GraphQL APIs.
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Standards for documenting REST and GraphQL APIs.
## Endpoint Name
Brief description of what this endpoint does.
**Method:** `GET` | `POST` | `PUT` | `PATCH` | `DELETE`
**Path:** `/api/v1/resource/:id`
**Auth:** Bearer token | API key | None
### Path Parameters
| Parameter | Type | Description |
|-----------|------|-------------|
| id | string | Resource ID |
### Query Parameters
| Parameter | Type | Required | Default | Description |
|-----------|------|----------|---------|-------------|
| page | integer | No | 1 | Page number |
| limit | integer | No | 20 | Items per page |
| sort | string | No | -createdAt | Sort field |
### Request Body
\`\`\`json
{
"field1": "value",
"field2": 123
}
\`\`\`
### Response
**Success (200 OK)**
\`\`\`json
{
"data": { ... },
"meta": { ... }
}
\`\`\`
**Errors**
| Status | Code | Description |
|--------|------|-------------|
| 400 | VALIDATION_ERROR | Invalid input |
| 404 | NOT_FOUND | Resource not found |
# Authentication
All API requests require authentication via one of:
## Bearer Token (Recommended)
\`\`\`bash
curl -H "Authorization: Bearer <token>" https://api.example.com/v1/users
\`\`\`
Tokens expire after 1 hour. Use the refresh token to obtain a new access token.
## API Key
\`\`\`bash
curl -H "X-API-Key: <api-key>" https://api.example.com/v1/users
\`\`\`
API keys don't expire but can be revoked in the dashboard.
## OAuth 2.0
For third-party integrations:
1. Redirect to `/oauth/authorize`
2. User grants permission
3. Receive authorization code
4. Exchange code for tokens
# Pagination
List endpoints return paginated results.
## Request Parameters
| Parameter | Type | Default | Max | Description |
|-----------|------|---------|-----|-------------|
| page | integer | 1 | - | Page number (1-indexed) |
| limit | integer | 20 | 100 | Items per page |
## Response Format
\`\`\`json
{
"data": [...],
"pagination": {
"page": 1,
"limit": 20,
"total": 150,
"totalPages": 8,
"hasNext": true,
"hasPrev": false
}
}
\`\`\`
## Cursor-Based Pagination
For large datasets, use cursor pagination:
\`\`\`bash
GET /api/v1/events?cursor=abc123&limit=50
\`\`\`
\`\`\`json
{
"data": [...],
"cursors": {
"next": "def456",
"prev": null
}
}
\`\`\`
# Error Handling
## Error Response Format
All errors return a consistent JSON structure:
\`\`\`json
{
"error": {
"code": "ERROR_CODE",
"message": "Human-readable message",
"details": [
{
"field": "email",
"message": "Invalid email format"
}
],
"requestId": "req_abc123"
}
}
\`\`\`
## Error Codes
### Client Errors (4xx)
| Code | Status | Description | Resolution |
|------|--------|-------------|------------|
| VALIDATION_ERROR | 400 | Invalid input | Check request body |
| UNAUTHORIZED | 401 | No valid credentials | Include auth header |
| FORBIDDEN | 403 | Insufficient permissions | Request access |
| NOT_FOUND | 404 | Resource doesn't exist | Check resource ID |
| CONFLICT | 409 | Resource already exists | Use different values |
| RATE_LIMITED | 429 | Too many requests | Wait and retry |
### Server Errors (5xx)
| Code | Status | Description | Resolution |
|------|--------|-------------|------------|
| INTERNAL_ERROR | 500 | Server error | Contact support |
| SERVICE_UNAVAILABLE | 503 | Maintenance | Retry later |
# GraphQL Schema
## Types
### User
\`\`\`graphql
type User {
"""Unique identifier"""
id: ID!
"""User's email address"""
email: String!
"""Display name"""
name: String
"""Account creation timestamp"""
createdAt: DateTime!
"""User's orders"""
orders(first: Int, after: String): OrderConnection!
}
\`\`\`
### Input Types
\`\`\`graphql
input CreateUserInput {
email: String!
name: String
role: UserRole = USER
}
\`\`\`
## Queries
### user
Fetch a single user by ID.
\`\`\`graphql
query GetUser($id: ID!) {
user(id: $id) {
id
email
name
createdAt
}
}
\`\`\`
**Arguments:**
| Argument | Type | Required | Description |
|----------|------|----------|-------------|
| id | ID | Yes | User ID |
**Example:**
\`\`\`json
{
"id": "usr_123"
}
\`\`\`
**Response:**
\`\`\`json
{
"data": {
"user": {
"id": "usr_123",
"email": "john@example.com",
"name": "John Doe",
"createdAt": "2024-01-15T10:30:00Z"
}
}
}
\`\`\`
## Mutations
### createUser
Create a new user account.
\`\`\`graphql
mutation CreateUser($input: CreateUserInput!) {
createUser(input: $input) {
user {
id
email
}
errors {
field
message
}
}
}
\`\`\`
**Input:**
\`\`\`json
{
"input": {
"email": "jane@example.com",
"name": "Jane Smith"
}
}
\`\`\`
**Success Response:**
\`\`\`json
{
"data": {
"createUser": {
"user": {
"id": "usr_456",
"email": "jane@example.com"
},
"errors": null
}
}
}
\`\`\`
**Error Response:**
\`\`\`json
{
"data": {
"createUser": {
"user": null,
"errors": [
{
"field": "email",
"message": "Email already exists"
}
]
}
}
}
\`\`\`
## SDK Examples
### JavaScript/TypeScript
\`\`\`typescript
import { Client } from '@api/sdk'
const client = new Client({ apiKey: 'your-key' })
// List users
const users = await client.users.list({ limit: 10 })
// Create user
const user = await client.users.create({
email: 'john@example.com',
name: 'John Doe'
})
\`\`\`
### Python
\`\`\`python
from api_sdk import Client
client = Client(api_key='your-key')
# List users
users = client.users.list(limit=10)
# Create user
user = client.users.create(
email='john@example.com',
name='John Doe'
)
\`\`\`
### cURL
\`\`\`bash
# List users
curl -X GET "https://api.example.com/v1/users?limit=10" \
-H "Authorization: Bearer $API_KEY"
# Create user
curl -X POST "https://api.example.com/v1/users" \
-H "Authorization: Bearer $API_KEY" \
-H "Content-Type: application/json" \
-d '{"email":"john@example.com","name":"John Doe"}'
\`\`\`
Used by:
api-doc-writer agent