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/147

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific path `/api/v1/accounts/147` is one of many endpoints offered by the platform, which spans data & analytics, AI & machine learning, finance & Web3, and infrastructure utility categories. All endpoints are priced at $0.02 per request, paid in USDC on the Base network with no API keys, rate limits, or commitments required.

The x402 challenge confirms the endpoint is live, accepting POST requests and settling payments in USDC (contract 0x8335…2913 on Base) to address 0x1A2B…85F3. The max amount required is 20,000 base units of USDC (6 decimals), which equals $0.02 per call. The platform advertises a broad suite of sibling endpoints including sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, geocoding, validation, and more — all at the same $0.02 price point.

However, the specific functionality behind `/api/v1/accounts/147` is not documented beyond the generic label "Premium API Access." The docs, pricing, and API pages all render only a "Connect wallet" prompt with no further technical documentation, OpenAPI schema, or example request/response payloads. Without knowing what this particular accounts endpoint returns, callers should treat this as an opaque paid endpoint until more documentation surfaces.

Capabilities

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

Use cases

  • —Agents needing on-demand API access without pre-registration or API keys
  • —Programmatic access to account data with per-call USDC micropayments
  • —Testing x402 payment protocol integrations on Base

Fit

Best for

  • —Developers or agents wanting zero-signup, pay-as-you-go API access
  • —x402-compatible wallets and agent frameworks on Base
  • —Low-volume callers who prefer per-request pricing over subscriptions

Not for

  • —Users who need detailed API documentation or guaranteed SLAs before paying
  • —High-volume batch workloads where $0.02/request adds up quickly
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/147 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/accounts/147
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but the specific endpoint's functionality is entirely undocumented — no schema, no examples, no description beyond the generic label. Docs pages render only a wallet-connect prompt with no technical content.

Warnings

  • —The specific functionality of /api/v1/accounts/147 is unknown — 'Premium API Access' is a generic label with no further documentation.
  • —All documentation pages (docs, pricing, API, README) render only a 'Connect wallet' prompt with no technical content.
  • —No OpenAPI schema, request/response examples, or parameter documentation available.
  • —The broader platform lists many endpoints but none have detailed docs visible without wallet connection.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:20:31Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/vdEbx9
Pay-per-call premium API access on Base via x402 — $0.02/request in USDC. — Clawmart · Clawmart