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/benefits/31

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a broad catalog of pay-per-request APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints are priced at $0.02 per request, settled in USDC on the Base network, with no API keys, no rate limits, and no minimum commitments required.

The specific endpoint `/api/v1/benefits/31` is labeled "Premium API Access" but the crawled documentation does not detail what data or functionality this particular path returns. The x402 challenge confirms the endpoint is live, accepts POST requests, and requires a payment of up to 20,000 base units of USDC (0.02 USD) on Base (asset contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The response MIME type is application/json. No OpenAPI schema, request body schema, or response body schema is published, so the exact input parameters and output format are unknown.

The platform's landing page lists sibling endpoints for metrics, reports, data export, insights, sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation — all at the same $0.02 price point. However, the docs, pricing, and API pages behind the landing page appear to require a wallet connection and do not expose further documentation in the crawl.

Capabilities

x402-paymentusdc-basepay-per-requestjson-responseno-api-key

Use cases

  • —Accessing a premium API endpoint with per-request USDC micropayments on Base
  • —Agent-driven API consumption without pre-registration or API keys
  • —Exploring a multi-category API marketplace with uniform low pricing

Fit

Best for

  • —Developers or agents wanting zero-signup, pay-as-you-go API access
  • —x402-compatible agents that can settle USDC on Base
  • —Users who need low-cost, no-commitment API calls

Not for

  • —Users who need detailed API documentation or guaranteed SLAs before purchasing
  • —Anyone without a Base-compatible USDC wallet or x402 client
  • —High-volume consumers who need bulk pricing or rate-limit guarantees

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/benefits/31 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/benefits/31
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, but the specific functionality of /api/v1/benefits/31 is undocumented. No request or response schema is available, and the docs/pricing/API pages are gated behind wallet connection with no crawlable content. This is effectively a stub listing.

Warnings

  • —The exact functionality of /api/v1/benefits/31 ('Premium API Access') is not documented anywhere in the crawled material.
  • —No OpenAPI spec, request schema, or response schema is available.
  • —Documentation pages (/docs, /pricing, /api, /README) all returned only 'Connect wallet' with no usable content.
  • —The platform lists many endpoints but none have detailed documentation visible without wallet connection.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 16:22:22Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/t2S8Sw
Pay-per-call premium API access on Base via x402 — $0.02/request in USDC. — Clawmart · Clawmart