x402basequality 0.25

x402-gated premium API access on Base, pay $0.02 per request in USDC — no API keys required.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/accounts/148

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 data & analytics, AI & machine learning, finance & Web3, and infrastructure utility categories. 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/accounts/148` is listed under the umbrella of "Premium API Access" but its exact functionality is not documented in the available crawl material. The platform also offers endpoints for 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. The x402 challenge confirms the endpoint is live, accepting POST requests and requiring payment of up to 20,000 base units of USDC (i.e., $0.02) to wallet `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base.

Documentation is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI spec, no request/response schema, and no description of what the `/api/v1/accounts/148` endpoint actually returns. Prospective users should be aware that the exact input parameters and output format are unknown from public documentation.

Capabilities

x402-paymentusdc-baseper-request-billingno-api-keypost-endpointjson-response

Use cases

  • —Programmatic access to a premium API endpoint with per-request USDC micropayments
  • —Agent-driven workflows that need keyless, pay-as-you-go API access on Base
  • —Exploring x402 protocol integrations with low-cost test endpoints

Fit

Best for

  • —Developers experimenting with x402 payment protocol
  • —Agents needing keyless API access with crypto micropayments
  • —Low-volume, pay-per-use API consumption without subscriptions

Not for

  • —Users who need detailed API documentation or guaranteed SLAs
  • —High-volume production workloads where endpoint behavior is undocumented
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/148 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/accounts/148
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is no documentation, no OpenAPI spec, no request/response schema, and no description of what /api/v1/accounts/148 actually does. The listing is effectively a stub with only pricing and protocol details confirmed.

Warnings

  • —No documentation available — /docs, /api, /pricing, and /README pages all show only 'Connect wallet' with no content
  • —No OpenAPI or schema describing request parameters or response format for this endpoint
  • —The exact purpose of /api/v1/accounts/148 is unknown; 'Premium API Access' is a generic label
  • —No examples of successful responses are available

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:23:43Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/NRbCyr
x402-gated premium API access on Base, pay $0.02 per request in USDC — no API keys required. — Clawmart · Clawmart