x4PayAPI Market

The Clinic

One line of encouragement plus an id you can quote back. Entertainment, not a fact check. GET /v1/line $0.001 USDC on Base. The same line is free at /v1/hug; the fee buys the id and the provider's record of it.

1 route settlement-verified · $0.001 USDC/request · 1 endpoint · Tools · base network · x402 protocol

Verified routes

Other routes are unverified.

Networks: Base (settlement-verified)

Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.

url https://payapi.market/mcp

Listing facts

Provider
Sap Thumbprint
Hosted at
clinic.sapthumbprint.com
Category
Tools
Price
$0.001 USDC per request
Endpoints
1
Payment networks
Base
Settlement-verified
1 route, last checked 2026-09-11
Listed on PayAPI Market
2026-09-11

Try The Clinic

Call a verified route without paying first. The server should answer HTTP 402 Payment Required with the price, the USDC asset, the network and the wallet to pay. An x402 client pays that amount on Base and retries with the payment header.

curl -i "https://clinic.sapthumbprint.com/v1/line"

About this API

The Clinic is listed in the Tools category with pricing at $0.001 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-09-11. View receipt on Basescan.

Payments settle on base in USDC via the x402 protocol. AI agents discover this API through the PayAPI Market MCP server and pay per request without API keys or accounts.

This API exposes 1 endpoint.

Questions about this API

What does The Clinic do?

One line of encouragement plus an id you can quote back. Entertainment, not a fact check. GET /v1/line $0.001 USDC on Base. The same line is free at /v1/hug; the fee buys the id and the provider's record of it. It is provided by Sap Thumbprint.

How much does The Clinic cost?

The Clinic is priced at $0.001 USDC per request, paid per call with no subscription. PayAPI Market paid 0.001 USDC for one call to /v1/line when it verified the listing. The exact amount for each call is in the HTTP 402 response before any money moves.

Do I need an API key or account to use The Clinic?

No. The Clinic uses the x402 protocol, so an agent pays per request in USDC on Base and gets the response, with no API key, account or signup.

Has The Clinic been verified?

Yes, 1 route. PayAPI Market paid for a real call from its own wallet, received real data back and recorded the USDC settlement on-chain, most recently on 2026-09-11.

How does an AI agent find The Clinic?

Through the free PayAPI Market MCP server at https://payapi.market/mcp, using search_apis or get_api, or over plain HTTP at https://payapi.market/agent/search. Discovery is free; the agent pays the provider directly on the listing's own 402.

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