x402basequality 0.25

x402-gated backup/data endpoint on Base, paying $0.02 per request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/backups/2025-07

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" to a backup resource dated 2025-07, gated behind the x402 payment protocol. The endpoint returns a 402 challenge requiring a one-time USDC payment on the Base network. The maxAmountRequired is 20,000 base units of USDC (6 decimals), which equals $0.02 per request. Payment is made via the x402 exact scheme to the specified wallet address, with no API keys or rate limits required.

The broader lowpaymentfee.com platform advertises a range of x402-gated API categories including Data & Analytics (metrics, reports, data export, insights), AI & Machine Learning (sentiment analysis, text summarization, classification, embeddings), Finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and Infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at $0.02 per request. However, this specific listing is for the `/api/v1/backups/2025-07` path, which is not among the publicly listed APIs on the homepage and its exact functionality is unclear — the name suggests it returns some form of backup data for July 2025.

Documentation is extremely sparse. The /docs, /pricing, /api, and /README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what the backup endpoint actually returns. The endpoint is confirmed live via the 402 challenge, but the lack of documentation makes it difficult to assess what data or service is actually delivered upon payment.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestbackup-datano-api-key

Use cases

  • —Retrieving backup data for July 2025 via a single paid request
  • —Programmatic access to backup archives without API key management
  • —Agent-driven data retrieval with per-call USDC micropayments

Fit

Best for

  • —Developers wanting keyless, pay-per-use backup data access
  • —AI agents that can settle x402 payments on Base
  • —Users who need one-off backup retrieval without subscriptions

Not for

  • —Anyone needing detailed documentation or schema before purchasing
  • —Bulk or high-frequency data retrieval where per-call costs add up
  • —Users without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/backups/2025-07 \
  -H "X-PAYMENT: <x402-payment-token>" \
  -H "Content-Type: application/json"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/backups/2025-07
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is confirmed live via a valid 402 challenge, but there is no documentation, no OpenAPI schema, no request/response examples, and the specific backup endpoint is not listed among the provider's public APIs. The purpose and output of this endpoint are unclear.

Warnings

  • —The /api/v1/backups/2025-07 path is not listed among the provider's publicly advertised APIs — its purpose is unknown.
  • —All documentation pages (/docs, /pricing, /api, /README) render only 'Connect wallet' with no usable content.
  • —No OpenAPI schema, no request body schema, and no response examples are available.
  • —The nature of the 'backup' data returned is entirely unspecified.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:50:51Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/rxHUhK
x402-gated backup/data endpoint on Base, paying $0.02 per request in USDC. — Clawmart · Clawmart