x402basequality 0.30

x402-gated backup/data endpoint on Base, pay-per-request with USDC at $0.02/call.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/backups/2025-10

What it does

This endpoint at lowpaymentfee.com provides a "Premium API Access" resource at the path `/api/v1/backups/2025-10`, gated behind the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum amount of 20,000 base units, which equals $0.02 USD (USDC uses 6 decimals). No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.

The broader lowpaymentfee.com platform advertises a suite of x402-gated APIs spanning data analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance/Web3 data (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at $0.02 per request with the same pay-per-use model on Base.

The specific endpoint being listed here (`/api/v1/backups/2025-10`) appears to serve backup data for October 2025. Documentation beyond the landing page is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no detailed description of what the backup data contains or what POST body is expected.

Capabilities

x402-paymentusdc-basepay-per-requestbackup-datajson-responseno-api-key

Use cases

  • —Retrieving backup data snapshots for October 2025 via a single paid request
  • —Programmatic access to archived data without subscription or API key management
  • —Agent-driven data retrieval with automatic USDC micropayment on Base

Fit

Best for

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

Not for

  • —Users who need detailed API documentation or request/response schemas before integrating
  • —High-volume consumers who would benefit from bulk pricing or subscriptions
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/backups/2025-10 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/backups/2025-10
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 402 challenge, confirming it is operational. However, there is no OpenAPI schema, no request/response examples, and the docs pages are empty beyond a wallet-connect prompt. The purpose of the specific backup endpoint is unclear, and no input schema is documented. This is effectively a stub listing.

Warnings

  • —No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content.
  • —No OpenAPI or request/response schema provided; the expected POST body and response format are unknown.
  • —The purpose and contents of '/api/v1/backups/2025-10' are not described anywhere in the crawled material.
  • —The broader platform lists many endpoints but none have documented schemas or examples.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:52:36Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/MYP6hS
x402-gated backup/data endpoint on Base, pay-per-request with USDC at $0.02/call. — Clawmart · Clawmart