x402basequality 0.35

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/benefits/26

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 platform, which spans categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. All endpoints on the platform are priced at $0.02 per request, payable in USDC on the Base network with no API keys, rate limits, or commitments required.

The specific endpoint `/api/v1/benefits/26` is labeled "Premium API Access" but its exact functionality is not documented beyond that title. 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 given 6 decimals) on Base to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3. The response MIME type is application/json.

The platform's documentation pages (docs, pricing, README) all resolve to a minimal "Connect wallet" prompt with no further technical detail, so the exact request/response schema for this endpoint is unknown. The broader platform advertises 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.

Capabilities

x402-paymentpay-per-requestusdc-base-networkjson-responseno-api-keyno-rate-limit

Use cases

  • —Accessing premium API functionality with per-request USDC micropayments
  • —Integrating pay-as-you-go API calls without managing API keys or subscriptions
  • —Agent-driven workflows that need instant, keyless API access on Base

Fit

Best for

  • —Developers wanting zero-commitment pay-per-use API access
  • —AI agents with x402-compatible payment capabilities
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Users needing detailed API documentation or guaranteed SLAs
  • —Applications requiring free or high-volume bulk access at discounted rates
  • —Developers who cannot transact in USDC on Base network

Quick start

# Send a POST with x402 payment header to access the endpoint
curl -X POST https://lowpaymentfee.com/api/v1/benefits/26 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402_payment_token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/benefits/26
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is confirmed live via 402 challenge with clear pricing ($0.02 USDC on Base), but there is no documentation of request parameters, response schema, or what 'Premium API Access' actually returns. Docs pages are empty stubs.

Warnings

  • —Exact functionality of /api/v1/benefits/26 is undocumented—'Premium API Access' is the only descriptor
  • —All documentation pages (docs, pricing, README) render only a 'Connect wallet' prompt with no technical content
  • —No OpenAPI spec, no request/response schema available
  • —Cannot verify what data or service this endpoint actually provides

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 16:19:39Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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