x402basequality 0.30

Pay-per-call premium API access on Base via x402 — $0.02/request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/accounts/67

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific path `/api/v1/accounts/67` appears to be one of many endpoints offered by the provider, which hosts a broad catalog spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per request.

The x402 challenge confirms the endpoint is live and accepts payment on the Base network using USDC (contract 0x8335…2913) with a max amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals). Payment is made via the `exact` scheme with a 300-second timeout. The endpoint accepts HTTP POST requests and returns `application/json` responses. No API keys or rate limits are advertised; access is granted purely through per-call micropayments.

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 schema, no request/response examples, and no description of what the `/api/v1/accounts/67` endpoint specifically returns. The provider's landing page lists many other endpoints (metrics, reports, sentiment analysis, summarization, etc.) but gives no detail on input parameters or response formats for any of them. The exact purpose of the `accounts/67` resource is unclear from available material.

Capabilities

x402-paymentusdc-base-networkper-call-micropaymentjson-responsehttp-post

Use cases

  • —Accessing a premium API resource with per-call USDC micropayments on Base
  • —Integrating x402-compatible payment flows into agent workflows
  • —Retrieving account data behind a paywall without API keys

Fit

Best for

  • —Developers experimenting with x402 micropayment protocols
  • —Agents that can settle USDC payments on Base L2
  • —Use cases requiring keyless, pay-as-you-go API access

Not for

  • —Users needing detailed API documentation or OpenAPI specs before integrating
  • —Applications requiring free or subscription-based access models
  • —Production workloads that need guaranteed SLAs or support

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/67 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/accounts/67
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no documentation, no OpenAPI schema, no request/response examples, and the specific purpose of /api/v1/accounts/67 is unknown. The docs pages are empty beyond a wallet connect prompt.

Warnings

  • —No OpenAPI or schema documentation available for this endpoint
  • —The specific purpose and expected input/output of /api/v1/accounts/67 is undocumented
  • —All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no content
  • —Cannot verify what data or functionality this specific endpoint provides

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 00:32:57Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/K7VpD5
Pay-per-call premium API access on Base via x402 — $0.02/request in USDC. — Clawmart · Clawmart