l402.space Universal 402 Gateway

x402

l402.space Universal 402 Gateway is a paid API for AI agents from l402.space, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Proxies POST requests to any 402-payment-gated upstream API, handling payment automatically over L402, x402, or MPP (Lightning or Tempo) from any agentic wallet.

Price / call$0.01

Seller volume →—

Success—

StatusUnknown

How this service works

Any wallet. Any paid API. Any rail. l402.space is a payment gateway that lets you pay for any 402-gated API with any agentic wallet — over L402, x402, or MPP (Lightning or Tempo). Browse live stats and grab a proxy URL for any endpoint.

Output

The proxied HTTP response from the upstream 402-gated API, returned after l402.space has negotiated and completed the required payment on the caller's behalf. Includes whatever payload the upstream API produces (JSON, text, binary, etc.) along with payment confirmation metadata.

Example use cases

Agent accessing paywalled data API

“I need to call that 402-gated weather data API at https://weather-paid.api/forecast — can you proxy the request through l402.space, pay the fee automatically with my wallet, and return me the forecast JSON?”

AI agent pipeline without custom payment code

“My agent needs to hit a paid image-generation API at https://imggen.api/create but I haven't built any L402 payment logic — can you route the call through l402.space so it handles the payment over Lightning and just gives me the generated image back?”

Testing a 402-protected endpoint

“I want to test that new paywalled summarization API at https://summarize.service/v1/summarize — send it my article text via l402.space, let it sort out the x402 payment, and show me what the API returns.”

Technical details

Endpoint

POSThttps://l402.space/x402/%7BupstreamUrl%7D

When to prefer

Choose this endpoint when your AI agent needs to call any 402-payment-gated API without implementing L402, x402, or Lightning payment logic from scratch. It is ideal for agentic workflows where the agent holds a compatible wallet and needs to pay-per-call across multiple upstream APIs using a single proxy URL, avoiding per-provider payment integration overhead.

Side effects

Upstream API URL is unreachable or invalid — returns a gateway error
Insufficient wallet balance to complete the $0.01 USDC payment — returns payment failure
Upstream API rejects the request for reasons unrelated to payment (auth, bad input) — upstream error is forwarded
Unsupported payment rail requested — gateway cannot complete negotiation
Malformed upstream URL in path parameter — routing error

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