HTTP Client
Execute external HTTP calls with complete control and observability
A robust execution layer for HTTP requests with sync, async, parallel, and serial control. Full traceability, automatic retries, and timing built in. Never lose a request again.
Key capabilities
Built for production workloads with enterprise requirements.
Supports sync, async, parallel, and serial execution modes
Stores full request/response payloads with timestamps
Built-in queue control for strict ordering when required
Automatic retry with exponential backoff
Real-time execution monitoring and webhooks
99.99% uptime SLA with global edge distribution
Features
Everything you need to integrate and scale with confidence.
Execution Modes
Choose sync for immediate response, async for fire-and-forget, or queue mode for strict FIFO ordering. Mix modes per request based on your needs.
Complete Traceability
Every request is logged with full headers, body, timing breakdown (DNS, TLS, TTFB), and response data. Query historical executions anytime.
Intelligent Retries
Configure retry policies per request: max attempts, backoff strategy, retry conditions. We handle transient failures so you don't have to.
Webhook Callbacks
Receive real-time notifications when async executions complete. Configure multiple callback URLs with custom headers and signatures.
Rate Limiting
Built-in rate limiting to protect downstream services. Configure per-domain limits and we'll queue and pace requests automatically.
Request Scheduling
Schedule requests for future execution. Perfect for delayed webhooks, scheduled notifications, or time-sensitive integrations.
Use cases
How teams use this service to solve real problems.
Webhook Delivery
Reliably deliver webhooks to customer endpoints with automatic retries, signature verification, and delivery confirmation.
Third-party API Orchestration
Coordinate calls to multiple external APIs with dependency management, parallel execution, and unified error handling.
Background Job Processing
Offload HTTP-based background tasks with guaranteed execution and full observability into job status.
Event-driven Integrations
React to events by triggering external services with async execution and callback-based completion tracking.
API documentation
Simple REST API with consistent patterns across all endpoints.
Endpoints
Example request
curl -X POST https://api.serbices.com/http-client/v1/executions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk_live_xxx" \
-d '{
"mode": "async",
"callback_url": "https://your-app.com/webhook-callback",
"request": {
"method": "POST",
"url": "https://partner-api.com/orders",
"headers": {
"Authorization": "Bearer partner_token",
"Content-Type": "application/json"
},
"body": {
"order_id": "ord_12345",
"items": [{"sku": "ITEM-001", "qty": 2}]
}
},
"retry": {
"max_attempts": 3,
"backoff": "exponential"
}
}'Example response
{
"id": "exec_7f8g9h0i1j2k",
"status": "pending",
"mode": "async",
"created_at": "2024-01-15T10:30:00Z",
"request": {
"method": "POST",
"url": "https://partner-api.com/orders"
},
"callback_url": "https://your-app.com/webhook-callback"
}Simple, transparent pricing
Pay only for what you use. No hidden fees, no surprises.
Volume discounts available. First 10,000 executions free monthly.
Other services
Explore more services to power your platform.
Ready to get started?
Talk with our team to learn how HTTP Client can help your platform scale.