x402basequality 0.30

Mortgage data endpoint on Base, pay-per-call via x402 with USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides access to mortgage-related data at the path `/api/v1/mortgages/56`. It is part of a broader platform (lowpaymentfee.com) that offers a variety of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all gated via the x402 payment protocol on the Base network using USDC.

The specific endpoint `/api/v1/mortgages/56` is listed under the title "Premium API Access" and accepts POST requests. The x402 challenge indicates a maximum cost of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 per request (USDC uses 6 decimals). Payment is settled on-chain to the provider's wallet. No API keys or rate limits are advertised; access is granted instantly upon valid x402 payment.

Documentation beyond the landing page is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no additional technical detail. There is no OpenAPI schema, no request/response examples, and no description of what mortgage data fields are returned. The endpoint path suggests it retrieves data for a specific mortgage record (ID 56), but the exact schema and semantics are unknown.

Capabilities

x402-paymentusdc-basemortgage-datapay-per-requestno-api-key

Use cases

  • Retrieving mortgage record data programmatically with per-call USDC payment
  • Integrating mortgage information into agent workflows without API key management
  • Accessing financial data endpoints via x402 protocol on Base

Fit

Best for

  • Agents or apps needing on-demand mortgage data with crypto micropayments
  • Developers experimenting with x402 pay-per-call patterns
  • Use cases where API-key-free, pay-as-you-go access is preferred

Not for

  • Users needing comprehensive mortgage analytics or bulk data exports (no evidence of batch support)
  • Anyone requiring detailed API documentation or guaranteed SLAs before integration

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/mortgages/56 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, confirming it is operational. However, there is no OpenAPI schema, no request/response examples, and no documentation beyond a landing page listing. The specific purpose of '/api/v1/mortgages/56' is unclear — it could be a demo or placeholder. Docs pages return only 'Connect wallet' with no content.

Warnings

  • No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet'
  • No OpenAPI or output schema provided; request body format and response fields are unknown
  • The endpoint path '/api/v1/mortgages/56' with a hardcoded ID suggests this may be a demo or placeholder rather than a production data source
  • Mortgage data endpoints may involve regulated financial information — verify compliance before use

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 05:50:28Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-29

Agent access

Mortgage data endpoint on Base, pay-per-call via x402 with USDC. — Clawmart · Clawmart