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php-framework/docs/api/endpoints.md

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API Endpoints Reference

Core PHP Framework provides RESTful APIs for programmatic access to platform resources. All endpoints follow consistent patterns for authentication, pagination, filtering, and error handling.

Base URL

https://your-domain.com/api/v1

Common Parameters

Pagination

All list endpoints support pagination:

GET /api/v1/resources?page=2&per_page=50

Parameters:

  • page (integer) - Page number (default: 1)
  • per_page (integer) - Items per page (default: 15, max: 100)

Response includes:

{
  "data": [...],
  "meta": {
    "current_page": 2,
    "per_page": 50,
    "total": 250,
    "last_page": 5
  },
  "links": {
    "first": "https://api.example.com/resources?page=1",
    "last": "https://api.example.com/resources?page=5",
    "prev": "https://api.example.com/resources?page=1",
    "next": "https://api.example.com/resources?page=3"
  }
}

Filtering

Filter list results using query parameters:

GET /api/v1/resources?status=active&created_after=2024-01-01

Common filters:

  • status - Filter by status (varies by resource)
  • created_after - ISO 8601 date
  • created_before - ISO 8601 date
  • updated_after - ISO 8601 date
  • updated_before - ISO 8601 date
  • search - Full-text search (if supported)

Sorting

Sort results using the sort parameter:

GET /api/v1/resources?sort=-created_at,name
  • Prefix with - for descending order
  • Default is ascending order
  • Comma-separate multiple sort fields

Field Selection

Request specific fields only:

GET /api/v1/resources?fields=id,name,created_at

Reduces payload size and improves performance.

Includes

Eager-load related resources:

GET /api/v1/resources?include=owner,tags,metadata

Reduces number of API calls needed.

Rate Limiting

API requests are rate-limited based on your tier:

Tier Requests/Hour Burst
Free 1,000 50
Pro 10,000 200
Business 50,000 500
Enterprise Custom Custom

Rate limit headers included in every response:

X-RateLimit-Limit: 10000
X-RateLimit-Remaining: 9847
X-RateLimit-Reset: 1640995200

When rate limit is exceeded, you'll receive a 429 Too Many Requests response:

{
  "error": {
    "code": "RATE_LIMIT_EXCEEDED",
    "message": "Rate limit exceeded. Please retry after 3600 seconds.",
    "retry_after": 3600
  }
}

Idempotency

POST, PATCH, PUT, and DELETE requests support idempotency keys to safely retry requests:

POST /api/v1/resources
Idempotency-Key: 550e8400-e29b-41d4-a716-446655440000

If the same idempotency key is used within 24 hours:

  • Same status code and response body returned
  • No duplicate resource created
  • Safe to retry failed requests

Versioning

The API version is included in the URL path:

/api/v1/resources

When breaking changes are introduced, a new version will be released (e.g., /api/v2/). Previous versions are supported for at least 12 months after deprecation notice.

Workspaces & Namespaces

Multi-tenant resources require workspace and/or namespace context:

GET /api/v1/resources
X-Workspace-ID: 123
X-Namespace-ID: 456

Alternatively, use query parameters:

GET /api/v1/resources?workspace_id=123&namespace_id=456

See Namespaces & Entitlements for details on multi-tenancy.

Webhook Events

Configure webhooks to receive real-time notifications:

POST /api/v1/webhooks
{
  "url": "https://your-app.com/webhooks",
  "events": ["resource.created", "resource.updated"],
  "secret": "whsec_abc123..."
}

Common events:

  • {resource}.created - Resource created
  • {resource}.updated - Resource updated
  • {resource}.deleted - Resource deleted

Webhook payload:

{
  "id": "evt_1234567890",
  "type": "resource.created",
  "created_at": "2024-01-15T10:30:00Z",
  "data": {
    "object": {
      "id": "res_abc123",
      "type": "resource",
      "attributes": {...}
    }
  }
}

Webhook requests include HMAC-SHA256 signature in headers:

X-Webhook-Signature: sha256=abc123...
X-Webhook-Timestamp: 1640995200

See Webhook Security for signature verification.

Error Handling

All errors follow a consistent format. See Error Reference for details.

Example error response:

{
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Validation failed",
    "details": {
      "email": ["The email field is required."]
    },
    "request_id": "req_abc123"
  }
}

Resource Endpoints

Core Resources

The following resource types are available:

  • Workspaces - Multi-tenant workspaces
  • Namespaces - Service isolation contexts
  • Users - User accounts
  • API Keys - API authentication credentials
  • Webhooks - Webhook endpoints

Workspace Endpoints

List Workspaces

GET /api/v1/workspaces

Response:

{
  "data": [
    {
      "id": "wks_abc123",
      "name": "Acme Corporation",
      "slug": "acme-corp",
      "tier": "business",
      "created_at": "2024-01-01T00:00:00Z",
      "updated_at": "2024-01-15T10:30:00Z"
    }
  ]
}

Get Workspace

GET /api/v1/workspaces/{workspace_id}

Response:

{
  "data": {
    "id": "wks_abc123",
    "name": "Acme Corporation",
    "slug": "acme-corp",
    "tier": "business",
    "settings": {
      "timezone": "UTC",
      "locale": "en_GB"
    },
    "created_at": "2024-01-01T00:00:00Z",
    "updated_at": "2024-01-15T10:30:00Z"
  }
}

Create Workspace

POST /api/v1/workspaces

Request:

{
  "name": "New Workspace",
  "slug": "new-workspace",
  "tier": "pro"
}

Response: 201 Created

Update Workspace

PATCH /api/v1/workspaces/{workspace_id}

Request:

{
  "name": "Updated Name",
  "settings": {
    "timezone": "Europe/London"
  }
}

Response: 200 OK

Delete Workspace

DELETE /api/v1/workspaces/{workspace_id}

Response: 204 No Content

Namespace Endpoints

List Namespaces

GET /api/v1/namespaces

Query parameters:

  • owner_type - Filter by owner type (User or Workspace)
  • workspace_id - Filter by workspace
  • is_active - Filter by active status

Response:

{
  "data": [
    {
      "id": "ns_abc123",
      "uuid": "550e8400-e29b-41d4-a716-446655440000",
      "name": "Personal Namespace",
      "slug": "personal",
      "owner_type": "User",
      "owner_id": 42,
      "workspace_id": null,
      "is_default": true,
      "is_active": true,
      "created_at": "2024-01-01T00:00:00Z"
    }
  ]
}

Get Namespace

GET /api/v1/namespaces/{namespace_id}

Response:

{
  "data": {
    "id": "ns_abc123",
    "uuid": "550e8400-e29b-41d4-a716-446655440000",
    "name": "Client: Acme Corp",
    "slug": "client-acme",
    "owner_type": "Workspace",
    "owner_id": 10,
    "workspace_id": 10,
    "packages": [
      {
        "id": "pkg_starter",
        "name": "Starter Package",
        "expires_at": null
      }
    ],
    "entitlements": {
      "storage": {
        "used": 1024000000,
        "limit": 5368709120,
        "unit": "bytes"
      },
      "api_calls": {
        "used": 5430,
        "limit": 10000,
        "reset_at": "2024-02-01T00:00:00Z"
      }
    }
  }
}

Check Entitlement

POST /api/v1/namespaces/{namespace_id}/entitlements/check

Request:

{
  "feature": "storage",
  "quantity": 1073741824
}

Response:

{
  "allowed": false,
  "reason": "LIMIT_EXCEEDED",
  "message": "Storage limit exceeded. Used: 1.00 GB, Available: 0.50 GB, Requested: 1.00 GB",
  "current_usage": 1024000000,
  "limit": 5368709120,
  "available": 536870912
}

User Endpoints

List Users

GET /api/v1/users
X-Workspace-ID: 123

Response:

{
  "data": [
    {
      "id": 1,
      "name": "John Doe",
      "email": "john@example.com",
      "tier": "pro",
      "email_verified_at": "2024-01-01T12:00:00Z",
      "created_at": "2024-01-01T00:00:00Z"
    }
  ]
}

Get Current User

GET /api/v1/user

Returns the authenticated user.

Update User

PATCH /api/v1/users/{user_id}

Request:

{
  "name": "Jane Doe",
  "email": "jane@example.com"
}

API Key Endpoints

List API Keys

GET /api/v1/api-keys

Response:

{
  "data": [
    {
      "id": "key_abc123",
      "name": "Production API Key",
      "prefix": "sk_live_",
      "last_used_at": "2024-01-15T10:30:00Z",
      "expires_at": null,
      "scopes": ["read:all", "write:resources"],
      "rate_limit_tier": "business",
      "created_at": "2024-01-01T00:00:00Z"
    }
  ]
}

Create API Key

POST /api/v1/api-keys

Request:

{
  "name": "New API Key",
  "scopes": ["read:all"],
  "rate_limit_tier": "pro",
  "expires_at": "2025-01-01T00:00:00Z"
}

Response:

{
  "data": {
    "id": "key_abc123",
    "name": "New API Key",
    "key": "sk_live_abc123def456...",
    "scopes": ["read:all"],
    "created_at": "2024-01-15T10:30:00Z"
  }
}

⚠️ Important: The key field is only returned once during creation. Store it securely.

Revoke API Key

DELETE /api/v1/api-keys/{key_id}

Response: 204 No Content

Webhook Endpoints

List Webhooks

GET /api/v1/webhooks

Response:

{
  "data": [
    {
      "id": "wh_abc123",
      "url": "https://your-app.com/webhooks",
      "events": ["resource.created", "resource.updated"],
      "is_active": true,
      "created_at": "2024-01-01T00:00:00Z"
    }
  ]
}

Create Webhook

POST /api/v1/webhooks

Request:

{
  "url": "https://your-app.com/webhooks",
  "events": ["resource.created"],
  "secret": "whsec_abc123..."
}

Test Webhook

POST /api/v1/webhooks/{webhook_id}/test

Sends a test event to the webhook URL.

Response:

{
  "success": true,
  "status_code": 200,
  "response_time_ms": 145
}

Webhook Deliveries

GET /api/v1/webhooks/{webhook_id}/deliveries

View delivery history and retry failed deliveries:

{
  "data": [
    {
      "id": "del_abc123",
      "event_type": "resource.created",
      "status": "success",
      "status_code": 200,
      "attempts": 1,
      "delivered_at": "2024-01-15T10:30:00Z"
    }
  ]
}

Best Practices

1. Use Idempotency Keys

Always use idempotency keys for create/update operations:

const response = await fetch('/api/v1/resources', {
  method: 'POST',
  headers: {
    'Idempotency-Key': crypto.randomUUID(),
    'Authorization': `Bearer ${apiKey}`
  },
  body: JSON.stringify(data)
});

2. Handle Rate Limits

Respect rate limit headers and implement exponential backoff:

async function apiRequest(url, options) {
  const response = await fetch(url, options);

  if (response.status === 429) {
    const retryAfter = response.headers.get('X-RateLimit-Reset');
    await sleep(retryAfter * 1000);
    return apiRequest(url, options); // Retry
  }

  return response;
}

3. Use Field Selection

Request only needed fields to reduce payload size:

GET /api/v1/resources?fields=id,name,status

4. Batch Operations

When possible, use batch endpoints instead of multiple single requests:

POST /api/v1/resources/batch
{
  "operations": [
    {"action": "create", "data": {...}},
    {"action": "update", "id": "res_123", "data": {...}}
  ]
}

5. Verify Webhook Signatures

Always verify webhook signatures to ensure authenticity:

const crypto = require('crypto');

function verifyWebhook(payload, signature, secret) {
  const hmac = crypto.createHmac('sha256', secret);
  hmac.update(payload);
  const expected = 'sha256=' + hmac.digest('hex');

  return crypto.timingSafeEqual(
    Buffer.from(signature),
    Buffer.from(expected)
  );
}

6. Store API Keys Securely

  • Never commit API keys to version control
  • Use environment variables or secrets management
  • Rotate keys regularly
  • Use separate keys for development/production

7. Monitor Usage

Track your API usage to avoid hitting rate limits:

GET /api/v1/usage

Returns current usage statistics for your account.

SDKs & Libraries

Official SDKs available:

  • PHP: composer require core-php/sdk
  • JavaScript/Node.js: npm install @core-php/sdk
  • Python: pip install core-php-sdk

Example (PHP):

use CorePhp\SDK\Client;

$client = new Client('sk_live_abc123...');

$workspace = $client->workspaces->create([
    'name' => 'My Workspace',
    'tier' => 'pro',
]);

$namespaces = $client->namespaces->list([
    'workspace_id' => $workspace->id,
]);

Further Reading