x402basequality 0.35

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/98

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource `/api/v1/accounts/98` is 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 endpoint is live and returns a valid x402 challenge (HTTP 402) requesting payment of up to 20,000 base units of USDC (0x8335…2913) on the Base network. Since USDC uses 6 decimals, this translates to $0.02 per call. Payment is made via the `exact` scheme to wallet 0x1A2B…85F3 with a 300-second timeout. The endpoint accepts POST requests and returns `application/json`.

The provider advertises no API keys, no rate limits, and instant access. However, documentation pages (/docs, /pricing, /api, /README) all render only a "Connect wallet" prompt with no substantive content, so there is no available documentation on request/response schemas, error handling, or what data the `/api/v1/accounts/98` resource actually returns. The exact purpose of the "accounts/98" resource is unclear — it may be a user account lookup or a generic premium endpoint, but this cannot be confirmed from available material.

Capabilities

x402-paymentusdc-basepay-per-requestjson-apipost-methodno-api-key

Use cases

  • —Accessing premium data or account information with per-request USDC micropayments
  • —Agent-driven API consumption without pre-registration or API keys
  • —Programmatic pay-as-you-go access to various utility endpoints

Fit

Best for

  • —Developers wanting keyless, pay-per-call API access on Base
  • —AI agents that can settle x402 payments in USDC
  • —Users who prefer no-commitment, no-subscription API pricing

Not for

  • —Users who need detailed API documentation or response schema guarantees
  • —High-volume consumers who would benefit from bulk/subscription pricing
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/98 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/accounts/98
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing, but there is zero documentation on what the endpoint actually returns. No request/response schemas, no examples, and all doc pages are empty wallet-connect stubs. The purpose of '/api/v1/accounts/98' specifically is unknown.

Warnings

  • —No documentation available — all doc pages (/docs, /pricing, /api, /README) render only 'Connect wallet' with no content.
  • —The specific purpose and response format of /api/v1/accounts/98 is unknown; no output schema is provided beyond mimeType application/json.
  • —Cannot verify what data or functionality this endpoint provides beyond the generic 'Premium API Access' label.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 00:51:14Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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