x402basequality 0.25

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/52

What it does

This endpoint at lowpaymentfee.com provides access to mortgage-related data at the path `/api/v1/mortgages/52`. 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/52` 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 platform'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 technical detail. There is no OpenAPI schema, no request/response examples, and no description of what the `/mortgages/52` resource actually returns. The endpoint path suggests it retrieves or processes data for a specific mortgage record (ID 52), but the exact input parameters and response shape are unknown. The platform appears live and functional based on the 402 challenge response.

Capabilities

x402-paymentusdc-basepay-per-requestmortgage-datajson-apino-api-key

Use cases

  • —Retrieving mortgage record data programmatically with per-call USDC payment
  • —Integrating mortgage information into financial dashboards or agent workflows
  • —Querying specific mortgage details without subscription or API key management

Fit

Best for

  • —Agents or apps that need on-demand mortgage data with crypto micropayments
  • —Developers wanting keyless, pay-as-you-go API access on Base
  • —Prototyping financial tools that consume mortgage data without upfront commitments

Not for

  • —Users who need detailed documentation or guaranteed SLA before integrating
  • —Bulk mortgage data retrieval where per-call pricing would be cost-prohibitive
  • —Non-crypto workflows that cannot send x402 payment headers

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/mortgages/52 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/mortgages/52
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02/request in USDC on Base), but there is no documentation, no OpenAPI schema, no request/response examples, and no explanation of what the mortgage endpoint actually returns. This is effectively a stub listing.

Warnings

  • —No documentation available — docs, pricing, and API pages all show only 'Connect wallet' with no technical content
  • —No OpenAPI or schema describing request parameters or response format for /api/v1/mortgages/52
  • —The purpose and data returned by this specific mortgage endpoint are entirely unknown
  • —The endpoint path includes a hardcoded ID (52), and it is unclear whether this is parameterized or fixed

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 05:50:31Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-29

Agent access

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