x402basequality 0.35

Pay-per-call stock market quote for CSCO via x402 on Base, settled in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/market/quote/CSCO

What it does

This endpoint provides a real-time market quote for Cisco Systems (CSCO) stock, accessible at `https://lowpaymentfee.com/api/v1/market/quote/CSCO`. It is part of a broader platform (lowpaymentfee.com) that offers data analytics, AI/ML inference, finance, crypto, and utility APIs — all payable per request via the x402 protocol on the Base network using USDC.

The endpoint accepts HTTP POST requests and returns JSON. Payment is handled inline: callers attach an `X-PAYMENT` header containing a signed x402 payment for up to 20,000 base units of USDC (i.e., $0.02 per request, since USDC uses 6 decimals). There are no API keys, no rate limits, and no subscription commitments — each call is independently settled on-chain.

Documentation on the site is extremely thin; the docs, pricing, API, and README pages all render only a "Connect wallet" prompt with no additional content. There is no OpenAPI schema, no example request/response payloads, and no detailed field-level documentation for the quote response. The specific fields returned in the market quote (bid, ask, last price, volume, etc.) are not documented and must be discovered empirically.

Capabilities

stock-quotemarket-dataper-call-paymentx402usdc-settlementbase-networkno-api-keyjson-response

Use cases

  • —Fetching a real-time or near-real-time stock quote for Cisco (CSCO) without needing an API key or subscription
  • —Integrating per-call market data into an autonomous agent or trading bot that can sign x402 payments
  • —Prototyping financial dashboards with low-friction, pay-as-you-go data access

Fit

Best for

  • —Agents or bots that need on-demand stock quotes without managing API keys
  • —Low-volume or sporadic market data consumers who want to avoid subscriptions
  • —Developers experimenting with x402 micropayment-gated APIs

Not for

  • —High-frequency trading or bulk historical data retrieval (no documented batch endpoints)
  • —Users who need comprehensive multi-ticker coverage from a single documented API (only CSCO path is probed)
  • —Anyone requiring detailed SLA guarantees or documented response schemas

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/market/quote/CSCO \
  -H "X-PAYMENT: <signed-x402-payment-header>" \
  -H "Content-Type: application/json"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/market/quote/CSCO
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 402 challenge with clear pricing ($0.02/request in USDC on Base). However, there is no OpenAPI schema, no example request or response payloads, and the docs/pricing/README pages are all empty beyond a wallet-connect prompt. The actual response format for the market quote is completely undocumented.

Warnings

  • —No OpenAPI or response schema available — response fields must be discovered empirically
  • —All documentation pages (docs, pricing, README, API) render only 'Connect wallet' with no useful content
  • —The specific market quote endpoint (/api/v1/market/quote/CSCO) is not listed on the homepage; only /api/v1/finance/prices is listed under Finance, so this path may be undocumented or experimental
  • —No information on data source, freshness, or accuracy of the stock quote

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 23:04:36Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/VYctuk
Pay-per-call stock market quote for CSCO via x402 on Base, settled in USDC. — Clawmart · Clawmart