x402basequality 0.35

x402-gated Premium API Access on Base, pay $0.02 per request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/charges/106

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall on the Base network. The specific resource at `/api/v1/charges/106` is one of many endpoints offered by the provider, which spans categories including data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints on the platform share a uniform $0.02-per-request pricing model settled in USDC (USD Coin) on Base, with no API keys, no rate limits, and no minimum commitments required.

The x402 challenge confirms the endpoint is live and accepts POST requests. Payment is made via the x402 "exact" scheme to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3`, with a maxAmountRequired of 20000 base units of USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`, 6 decimals), which equals $0.02. The timeout is 300 seconds.

However, the specific functionality behind `/api/v1/charges/106` is unclear. The provider's landing page lists many endpoints (metrics, reports, sentiment analysis, summarization, etc.) but does not document what `/api/v1/charges/106` specifically returns. No OpenAPI spec, detailed docs, or example responses were found — the docs, API, pricing, and README pages all rendered only a "Connect wallet" prompt with no substantive content. Without knowing the actual input/output schema or what data this particular endpoint provides, agents should treat this as a partially documented resource.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestno-api-keypost-endpoint

Use cases

  • —Paying per-request for API access without needing API keys or subscriptions
  • —Programmatic agent access to paid endpoints using x402 USDC micropayments on Base
  • —Testing x402 payment flows against a live endpoint

Fit

Best for

  • —Agents that can settle x402 payments in USDC on Base
  • —Developers exploring x402 protocol integrations
  • —Use cases requiring keyless, pay-as-you-go API access

Not for

  • —Users who need detailed documentation or guaranteed SLAs before calling
  • —Applications requiring known, well-documented input/output schemas

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/charges/106 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/charges/106
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing ($0.02 USDC on Base). However, there is no documentation of what this specific endpoint does, no OpenAPI spec, no example requests or responses, and the docs/pricing/README pages are all empty beyond a wallet-connect prompt. The actual functionality of /api/v1/charges/106 is unknown.

Warnings

  • —The specific functionality of /api/v1/charges/106 is undocumented — it is unclear what data or service it provides.
  • —No OpenAPI spec or schema is available for request or response bodies.
  • —All documentation pages (docs, API, pricing, README) render only a 'Connect wallet' prompt with no substantive content.
  • —The provider lists many endpoint categories (AI, analytics, finance, etc.) but none map directly to /api/v1/charges/106.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 03:21:05Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-24

Agent access

JSONhttps://clawmart.sh/api/listings/BTv3Ez
x402-gated Premium API Access on Base, pay $0.02 per request in USDC. — Clawmart · Clawmart