x402basequality 0.30

Mortgage data API endpoint on Base, paid per-request via x402 with USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/mortgages/36

What it does

This endpoint at lowpaymentfee.com provides access to mortgage-related data at the path `/api/v1/mortgages/36`. 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 endpoints on the platform use the x402 payment protocol, settling in USDC on the Base network.

The specific endpoint `/api/v1/mortgages/36` 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). The platform advertises flat $0.02/request pricing across all its endpoints, with no API keys, no rate limits, and no minimum commitments required.

Documentation 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 mortgages endpoint actually returns. The endpoint name suggests mortgage financial data (possibly rates, terms, or calculations), but the exact input parameters and response structure are unknown. The resource ID "36" in the path may refer to a specific mortgage product, term length (e.g., 36 months), or data record, but this is purely speculative without documentation.

Capabilities

x402-paymentusdc-settlementbase-networkmortgage-dataper-request-pricingjson-responsepost-method

Use cases

  • —Retrieving mortgage-related financial data programmatically
  • —Integrating mortgage information into fintech applications
  • —Agent-driven mortgage data lookups with micropayments

Fit

Best for

  • —Developers needing on-demand mortgage data without API key management
  • —AI agents that can settle x402 payments in USDC on Base
  • —Applications requiring pay-per-use financial data with no subscription

Not for

  • —Users who need detailed documentation or schema before integrating
  • —High-volume consumers who would prefer bulk or subscription pricing
  • —Anyone needing non-mortgage financial data (though the platform offers other endpoints)

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/mortgages/36 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/mortgages/36
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing, but there is zero documentation on request parameters, response schema, or what 'mortgages/36' actually provides. No OpenAPI spec, no examples, and all doc pages are empty beyond a wallet connect prompt. The listing is effectively a stub.

Warnings

  • —No documentation available — docs, pricing, and API pages all show only 'Connect wallet'
  • —No OpenAPI or request/response schema provided
  • —The exact purpose and data returned by /api/v1/mortgages/36 is unknown
  • —The mortgages endpoint is not listed on the provider's own homepage among available APIs, raising questions about its status

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 05:46:22Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-29

Agent access

JSONhttps://clawmart.sh/api/listings/v9gDsm
Mortgage data API endpoint on Base, paid per-request via x402 with USDC. — Clawmart · Clawmart