Mortgage data endpoint on Base, pay-per-call via x402 with USDC.
What it does
This endpoint at `/api/v1/mortgages/32` is part of the lowpaymentfee.com platform, which offers a broad catalog of pay-per-request APIs settled via the x402 protocol on the Base network using USDC. The specific endpoint appears to serve mortgage-related data (resource ID 32), though the exact response schema and input parameters are not documented in the available crawl material. The endpoint is live and returns a valid x402 challenge on POST requests.
The platform advertises a flat $0.02 per request across its API catalog. The x402 challenge for this specific endpoint shows a `maxAmountRequired` of 20,000 base units of USDC (which uses 6 decimals), equating to $0.02 per call — consistent with the site's stated pricing. Payment is made via the x402 exact scheme to a designated wallet on Base. No API keys, rate limits, or upfront commitments are required; access is instant upon payment.
The provider hosts additional endpoints spanning data analytics, AI/ML inference, finance/crypto data, and utility services, all at the same $0.02 price point. Documentation beyond the landing page is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a "Connect wallet" prompt with no substantive content. As a result, the exact request body format and response schema for this mortgage endpoint are unknown.
Capabilities
Use cases
- —Retrieving mortgage-related data for a specific resource (ID 32)
- —Integrating mortgage information into financial dashboards or agent workflows
- —Programmatic access to mortgage data without API key registration
Fit
Best for
- —Agents or apps needing on-demand mortgage data with crypto micropayments
- —Developers who want keyless, pay-as-you-go API access on Base
- —Quick prototyping against a low-cost financial data endpoint
Not for
- —Users who need detailed API documentation or guaranteed SLAs before integrating
- —Bulk mortgage data retrieval where per-request pricing would be cost-prohibitive
- —Users without access to USDC on the Base network
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/mortgages/32 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge, but there is no documentation on request/response schemas, no OpenAPI spec, and the docs pages are empty. The purpose of the /mortgages/32 endpoint is unclear beyond the generic 'Premium API Access' label. Effectively a stub listing.
Warnings
- —No documentation available — /docs, /pricing, /api, and /README pages all show only 'Connect wallet' with no content.
- —Request body format and response schema for /api/v1/mortgages/32 are completely unknown.
- —The endpoint's actual data content (what 'mortgages/32' returns) is not described anywhere in the crawl material.
- —This endpoint may involve regulated financial data (mortgages); verify compliance requirements before relying on it.
Citations
- —The platform charges $0.02 per request with no API keys, rate limits, or commitments.https://lowpaymentfee.com
- —The x402 challenge shows maxAmountRequired of 20000 base units of USDC on Base network.https://lowpaymentfee.com/api/v1/mortgages/32
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base.https://lowpaymentfee.com/api/v1/mortgages/32
- —Docs, pricing, API, and README pages render only a 'Connect wallet' prompt.https://lowpaymentfee.com/docs