Per call · prepaid or x402 · no subscription
Pay per call.One OpenAI-compatible gateway.
Top up credits or settle each request with x402 from your wallet.Usage logs anchored on-chain — no monthly plan required.
How to get started
Sign in, choose prepaid credits or x402, and route your first request in minutes.
- 1
Sign in
Create an account with email, Google, or GitHub. You can set up an organization later.
- 2
Choose how you pay
Top up prepaid credits, or connect a wallet for x402 pay-per-call settlement.
- Apr 1$99
- Mar 30$10
- 3
Create an API key
Issue a key and start making requests. Fully OpenAI compatible.
HPP_ROUTER_API_KEY••••••••••••••••
Why HPP Router
Two ways to pay, one API — plus on-chain verification.
Prepaid credits
Top up when you need to. Spend across models and providers — no subscription lock-in.
Learn more →x402 pay-per-call
Settle each request from your wallet. Built for agents and apps that pay as they go.
Learn more →On-chain verification
Every request can be verified with hash, Merkle proof, and on-chain anchors.
Learn more →
Supported providers
Route requests across supported LLM providers from one OpenAI-compatible gateway.
OpenAI
GPT, o-series, and gpt-image models through a unified gateway.
Anthropic
Claude models with native and OpenAI-compatible routes.
Moonshot AI
Kimi models for long-context and reasoning workloads.
Ollama
Self-hosted open models when you bring your own backend.
Discover
Pricing, model rankings, and SDK docs before you sign in.