API
JSON API Server
Upload a JSON document and instantly get a fully functional REST API with CRUD endpoints — no backend code required.
- Paging, filtering and sorting
- Edit data in-browser
- Adjust latency and error rates for testing
Developer Tooling Platform
Build faster.
Debug smarter.
Expose databases, APIs and local services securely. Capture, replay and analyse HTTP traffic — without leaving your dev workflow.
3
Developer Tools
1-click
REST API from JSON
Full
HTTP Journal & Replay
Core Tools
Everything you need in one place
Three powerful tools designed to eliminate friction from your development and testing workflow.
Most Popular
HTTP
HTTP & Webhook Tunnel
Expose your local web app and capture every incoming request with full journaling and one-click replay.
- Incoming request journal
- Replay and debug failed calls
- Ideal for Stripe, GitHub, and webhook-driven flows
Tunnels
Developer Tunnel
Expose local databases or services to teammates with access controls. Secure collaboration without VPNs.
- Supports multiple protocols
- Peer access and permission controls
- Provider/client workflow for secure connectivity
Why use this?
Stop fighting your tools.
Start shipping.
Developers waste hours setting up mock APIs, re-triggering webhooks and configuring VPNs. This platform eliminates all of it in minutes.
Fast setup
From zero to running API or tunnel in under 60 seconds.
Secure by default
Access controls, invitation codes, and encrypted channels.
CLI tooling included
Ready-to-download CLI for every platform. Automate everything.
$ aspcodecli serve --port 3000
✓ Tunnel active
Public URL: https://abc123.aspcode.net
→ POST /webhook 200 42ms
→ GET /api/orders 200 18ms
→ POST /webhook 404 5ms
$ aspcodecli replay --id wh_3f9a█
Pricing
Simple, honest pricing
Start free, upgrade when you need more. No hidden fees, cancel any time.
Ready to ship faster?
Enter your invitation code to unlock your free account — APIs, tunnels and webhooks ready in seconds.