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.

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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.

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
Easiest way to get a REST API up and running.
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
Debug webhooks without re-triggering events.
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
Share databases securely with teammates.
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

$ 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█

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