x402basequality 0.30

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/benefits/48

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 collection of pay-per-call APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints on the platform are priced at $0.02 per request, settled in USDC on the Base network with no API keys, rate limits, or commitments required.

The specific endpoint `/api/v1/benefits/48` is labeled "Premium API Access" but the crawled documentation does not detail what data or functionality this particular route returns. It is not listed among the publicly advertised API categories (analytics, AI, finance, infrastructure), so it may be an internal or supplementary endpoint. The x402 challenge confirms it is live, accepts POST requests, and requires payment of up to 20,000 base units of USDC (0.02 USD) on Base to the address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3`.

Because the endpoint's actual response payload and purpose are undocumented beyond the generic label, agents should treat this as an opaque premium endpoint until more documentation becomes available. The platform's other endpoints cover sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, geocoding, validation, and more — all at the same $0.02 price point.

Capabilities

x402-paymentusdc-basepay-per-requestno-api-keypost-methodjson-response

Use cases

  • —Accessing premium data or services with per-request USDC micropayments on Base
  • —Agent-driven API consumption without pre-registration or API keys
  • —Programmatic pay-as-you-go access to undisclosed premium features

Fit

Best for

  • —AI agents that need keyless, pay-per-call API access
  • —Developers wanting to test x402 payment flows on Base
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Users who need detailed documentation of response schemas before integrating
  • —High-volume consumers who need bulk pricing or rate-limit guarantees
  • —Anyone requiring fiat-only payment rails

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/benefits/48 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/benefits/48
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/48 is entirely undocumented. No OpenAPI schema, no response examples, and no description beyond the generic 'Premium API Access' label. The crawled docs pages returned only 'Connect wallet' with no substantive content.

Warnings

  • —The endpoint /api/v1/benefits/48 is not listed among the platform's publicly advertised APIs — its actual functionality is unknown.
  • —Documentation pages (/docs, /api, /pricing, /README) returned no meaningful content beyond 'Connect wallet'.
  • —No OpenAPI spec or response schema is available; the response format is entirely unknown.
  • —The label 'Premium API Access' is generic and does not describe what data or service is provided.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 16:16:20Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/CYkXa6
x402-gated premium API access on Base, pay $0.02 per request in USDC. — Clawmart · Clawmart