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/6

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/6` is labeled "Premium API Access" but the crawled documentation does not clarify what data or functionality this particular route 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 was found, so the exact input parameters and output structure are unknown.

The platform's landing page lists sibling endpoints for sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, geocoding, validation, conversion, and more — all at the same $0.02 price point. Without further documentation it is unclear whether `/api/v1/benefits/6` is a distinct service or a generic demonstration route.

Capabilities

x402-paymentusdc-basepay-per-requestjson-responseno-api-keypost-method

Use cases

  • —Accessing a premium API endpoint with per-request USDC micropayments on Base
  • —Integrating x402-compatible payment flows into agent or automated workflows
  • —Testing x402 protocol payment challenges against a live endpoint

Fit

Best for

  • —Developers experimenting with x402 pay-per-request protocols
  • —Agents that need keyless, on-demand API access settled in USDC on Base
  • —Low-volume consumers who prefer pay-as-you-go over subscriptions

Not for

  • —Users who need detailed documentation or guaranteed SLAs before integrating
  • —High-throughput production workloads requiring well-documented schemas and error handling

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/benefits/6 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/benefits/6
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is no OpenAPI schema, no documentation of request/response formats, and the purpose of '/api/v1/benefits/6' is not explained anywhere in the crawled material. Effectively a stub listing.

Warnings

  • —The specific functionality of /api/v1/benefits/6 ('Premium API Access') is not documented anywhere in the crawled pages.
  • —No request or response schema is available — callers cannot know what to send or what to expect back.
  • —Docs, pricing, API, and README pages all returned only 'Connect wallet' with no substantive content.
  • —This may be a demo or placeholder endpoint rather than a production service.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 17:50:25Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/asnY7b
Pay-per-call premium API access on Base via x402 — $0.02/request in USDC. — Clawmart · Clawmart