x402 payment relay for agent tools
x402 Control Planetoolsactivity

Make clients pay
for premium APIs

Issue API keys, collect credit top-ups, run x402 challenge/settlement on behalf of integrations, and monitor usage in one place.

keys 167txs 2,488volume $4.61ktop-up settled 0.01 usdc

Setup in one minute

Maximize paid API throughput

promptpnpmbun
use x402 relay and settle request pi_23d82acopy

Works with existing clients and SDKs. You control pricing and policy while we handle the payment relay flow.

Same clients, now monetized

Keep your current integrations, add paid routes and x402 enforcement in minutes.

High quality paid tools

Bundle premium endpoints behind credits so free traffic never starves paid users.

Policy controls

Set spend ceilings, per-key limits, and revoke compromised keys instantly.

Works with

Any HTTP client that can retry with proof headers.

OpenAPI
Next.js
Elysia
Cursor
Codex

Flow

Challenge and settlement lifecycle

Step 01

Key Issued

Create scoped API keys per integration and revoke instantly when needed.

Step 02

402 Challenge

Protected routes return payment requirements when proof headers are missing.

Step 03

Settle

Relay settlement on behalf of clients and generate deterministic receipts.

Step 04

Track Usage

Usage costs and transaction history are visible in one operational dashboard.

Security

Strict policy boundaries

Configure spend limits, reject unknown keys, and enforce hard guardrails per endpoint.

Reliability

One relational source of truth

Auth, keys, billing, and x402 events live in one Postgres model for easier audits.

Ready to ship

Turn premium API traffic into measurable revenue

Start in dummy mode, validate the payment lifecycle, and scale to production-grade monetization.

x402 control plane
githubtelegramx