x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/backups/2

What it does

This endpoint at lowpaymentfee.com provides a "Premium API Access" resource at the path `/api/v1/backups/2`. It is part of a broader platform offering dozens of pay-per-request API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all gated via the x402 payment protocol on the Base network.

The specific `/api/v1/backups/2` endpoint accepts POST requests and returns `application/json`. Payment is settled in USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` on Base) using the x402 "exact" scheme. The maximum amount required per call is 20,000 base units of USDC (6 decimals), which equals $0.02 USD. The platform advertises a flat $0.02 per request across all its endpoints, with no API keys, no rate limits, and no minimum commitments.

Documentation is extremely sparse — the docs, pricing, API, and README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no usage examples. The endpoint name "backups/2" and description "Premium API Access" give little indication of what data or functionality is actually returned. The endpoint is confirmed live (returns a proper 402 x402 challenge), but without documentation it is unclear what payload to send or what response to expect.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestjson-responsepost-method

Use cases

  • —Accessing backup data via a single paid API call
  • —Agent-driven data retrieval with per-request USDC micropayments
  • —Programmatic access to premium resources without API key management

Fit

Best for

  • —Developers wanting keyless, pay-per-use API access on Base
  • —AI agents that can settle x402 payments in USDC
  • —Users who prefer no-commitment, no-rate-limit API consumption

Not for

  • —Users who need detailed API documentation or schemas before integrating
  • —Anyone without a Base-compatible USDC wallet
  • —High-volume consumers who need bulk pricing or subscription plans

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/backups/2 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/backups/2
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is confirmed live with a valid x402 402 challenge and clear pricing ($0.02 USDC on Base). However, there is no documentation, no OpenAPI spec, no request/response schema, and no explanation of what the 'backups/2' resource actually provides. The docs pages are empty beyond a wallet-connect prompt. This is effectively a stub listing.

Warnings

  • —No documentation available — docs, pricing, API, and README pages all show only 'Connect wallet'
  • —No OpenAPI or schema definition for request or response payloads
  • —The purpose of '/api/v1/backups/2' is unclear — 'Premium API Access' is a generic label
  • —No examples of expected input or output

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:32:02Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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