x402basequality 0.30

Download September 2024 backup data via x402 micropayment on Base for $0.02 per request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/backups/2024-09/download

What it does

This endpoint at lowpaymentfee.com provides access to a downloadable backup file for September 2024 via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a variety of pay-per-request APIs spanning data analytics, AI/ML inference, finance, and utility services — all settled on the Base network using USDC.

The specific endpoint `/api/v1/backups/2024-09/download` accepts POST requests and returns a JSON response upon successful payment. The x402 challenge was captured live, confirming the endpoint is operational. Payment is made in USDC (contract 0x8335…2913 on Base) with a maximum amount of 20,000 base units, which equals $0.02 (USDC uses 6 decimals). No API keys or rate limits are advertised; access is gated purely by the x402 micropayment.

Documentation is extremely sparse. The landing page lists available endpoints and pricing, but the /docs, /pricing, /api, and /README pages all returned only a "Connect wallet" prompt with no substantive content. There is no OpenAPI spec, no request/response schema documentation, and no description of what the backup file actually contains. The endpoint's purpose (what data is in the backup, its format, its size) is entirely unclear from the available material.

Capabilities

x402-paymentbase-networkusdc-settlementfile-downloadbackup-retrievalpay-per-request

Use cases

  • —Downloading archived backup data for September 2024 from the provider
  • —Programmatic retrieval of backup files using x402 micropayments
  • —Agent-driven data acquisition without API key registration

Fit

Best for

  • —Users who need the specific September 2024 backup offered by this provider
  • —Agents that support x402 payment protocol on Base
  • —Scenarios requiring keyless, pay-per-use file downloads

Not for

  • —Users who need documented, well-specified data schemas before purchasing
  • —General-purpose backup or storage services — this is a single static resource
  • —Anyone without USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/backups/2024-09/download \
  -H "X-PAYMENT: <x402_payment_token>" \
  -H "Content-Type: application/json"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/backups/2024-09/download
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no OpenAPI spec, no request/response schema, and no description of what the backup actually contains. The docs, pricing, and README pages are all empty. This is effectively a stub listing.

Warnings

  • —No documentation available — /docs, /pricing, /api, and /README all return only a wallet-connect prompt with no content
  • —No OpenAPI or schema specification provided for this endpoint
  • —The nature and contents of the 'September 2024 backup' are completely undocumented
  • —No request body schema or response schema is available; the output format is unknown beyond mimeType application/json

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:52:09Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/mYJtsT
Download September 2024 backup data via x402 micropayment on Base for $0.02 per request. — Clawmart · Clawmart