x402basequality 0.30

Pay-per-call notification endpoint on Base via x402, settling in USDC at $0.02/request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/notifications/74

What it does

This endpoint at `/api/v1/notifications/74` is part of the lowpaymentfee.com platform, which offers a collection of pay-per-request APIs spanning data & analytics, AI/ML inference, finance/Web3, and infrastructure utilities. All endpoints use the x402 payment protocol, settling in USDC on the Base network. The specific resource at `/notifications/74` is labeled "Premium API Access" and accepts POST requests.

The x402 challenge confirms the endpoint is live and requires a maximum payment of 20,000 base units of USDC (0x8335…2913 on Base). Since USDC uses 6 decimals, this translates to $0.02 per request — consistent with the site's advertised flat pricing of $0.02/request across all endpoints. Payment is made to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout.

The platform advertises no API keys, no rate limits, and instant access. However, the specific functionality behind this `/notifications/74` endpoint is not documented beyond the generic "Premium API Access" label. There is no OpenAPI spec, no request/response schema documentation, and the crawled /api, /pricing, and /README pages all returned only a "Connect wallet" prompt with no additional content. Without knowing what notification data or action this endpoint provides, callers should treat it as an opaque paid resource until further documentation is available.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestnotificationspost-endpoint

Use cases

  • —Triggering or retrieving a premium notification via a single paid POST request
  • —Integrating pay-per-call notification delivery into an agent workflow
  • —Testing x402 payment flows against a live, low-cost endpoint

Fit

Best for

  • —Agents or developers needing a low-cost x402 endpoint for notification-related tasks
  • —Testing x402 payment integration on Base with real USDC micropayments
  • —Scenarios requiring keyless, rate-limit-free API access

Not for

  • —Users who need detailed documentation or guaranteed SLAs before calling an endpoint
  • —High-volume notification use cases where $0.02/request adds up significantly
  • —Anyone needing free or OAuth-authenticated notification APIs

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/notifications/74 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/notifications/74
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing. However, there is no OpenAPI spec, no request/response schema, and no documentation explaining what the /notifications/74 endpoint actually does. The crawled pages beyond the homepage returned no useful content. The listing is effectively a stub.

Warnings

  • —No documentation exists for what /api/v1/notifications/74 actually returns or accepts beyond a POST method
  • —No OpenAPI spec or request/response schema available
  • —The /api, /pricing, and /README pages returned only 'Connect wallet' with no content
  • —The specific purpose of 'Premium API Access' at this path is unknown

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-22 00:19:20Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-21
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/fvz44m
Pay-per-call notification endpoint on Base via x402, settling in USDC at $0.02/request. — Clawmart · Clawmart