x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/mortgages/67

What it does

This endpoint at lowpaymentfee.com provides access to mortgage-related data at the path `/api/v1/mortgages/67`. It is part of a broader platform (lowpaymentfee.com) that offers dozens of pay-per-request API endpoints 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/67` accepts POST requests and returns JSON. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 per request (USDC uses 6 decimals). This is consistent with the site's advertised flat pricing of $0.02 per request across all endpoints. No API keys are required; payment is handled inline via the X-PAYMENT header.

Documentation on the site is extremely sparse — the docs, pricing, and API pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what the `/api/v1/mortgages/67` endpoint actually returns (e.g., whether "67" is a resource ID, a product type, or something else). The endpoint is confirmed live (402 challenge captured), but the lack of documentation makes it difficult to know what data to send or expect back.

Capabilities

x402-paymentusdc-basepay-per-requestmortgage-datajson-apipost-method

Use cases

  • —Retrieving mortgage-related data programmatically with per-request USDC payment
  • —Integrating mortgage information into agent workflows without API key management
  • —Accessing financial data endpoints via x402 micropayments on Base

Fit

Best for

  • —Developers or agents needing on-demand mortgage data with no subscription
  • —x402-compatible agents that can pay per call in USDC on Base
  • —Prototyping financial data pipelines with instant, keyless API access

Not for

  • —Users who need detailed documentation or well-defined schemas before integrating
  • —High-volume consumers who would benefit from bulk pricing or subscriptions
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/mortgages/67 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/mortgages/67
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is confirmed live via a valid 402 challenge, and pricing is clear ($0.02/request in USDC on Base). However, there is no documentation, no OpenAPI schema, no request/response examples, and no explanation of what the mortgages/67 resource represents. This is effectively a stub listing.

Warnings

  • —No documentation available — docs, pricing, and API pages all render only 'Connect wallet' with no content
  • —No OpenAPI or schema describing request parameters or response format
  • —The meaning of '/mortgages/67' (whether 67 is a resource ID, category, etc.) is unknown
  • —No request or response examples available anywhere in crawled material

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 05:49:31Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-29

Agent access

JSONhttps://clawmart.sh/api/listings/evE9uN
Mortgage data endpoint on Base, pay-per-call via x402 with USDC. — Clawmart · Clawmart