Stock market quote for INTC via x402 micropayment on Base, $0.02 per request.
What it does
This endpoint provides a real-time stock market quote for Intel Corporation (INTC) through the lowpaymentfee.com platform. It is part of a broader suite of finance, analytics, AI, and utility APIs all accessible via the x402 payment protocol on the Base network. Each request costs $0.02 in USDC (maxAmountRequired of 20,000 base units with 6 decimals), settled on-chain to the provider's wallet.
The endpoint accepts POST requests and returns JSON. No API keys or account registration are required — payment is handled entirely through the x402 X-PAYMENT header. The provider advertises no rate limits and instant access. The specific endpoint path `/api/v1/market/quote/INTC` suggests a pattern where the ticker symbol can be swapped for other stocks, though only INTC was probed.
Documentation is extremely sparse. The landing page lists available API categories and pricing, but the /docs, /pricing, /api, and /README pages all returned only a "Connect wallet" prompt with no substantive content. There is no OpenAPI spec, no example request/response payloads, and no schema describing the quote response format. The endpoint is confirmed live (returns a valid x402 402 challenge), but the actual response structure must be inferred.
Capabilities
Use cases
- —Fetching real-time Intel (INTC) stock quotes for trading bots or dashboards
- —Integrating per-call stock market data into AI agent workflows without API key management
- —Building lightweight financial applications that pay per request via crypto micropayments
Fit
Best for
- —Agents or apps needing on-demand stock quotes without subscription commitments
- —Developers who prefer crypto-native pay-per-use APIs on Base
- —Low-volume or bursty market data consumers who want no minimums
Not for
- —High-frequency trading requiring sub-millisecond latency and bulk data feeds
- —Users who need comprehensive historical stock data or full order book depth
- —Teams that require detailed API documentation and SLAs before integration
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/market/quote/INTC \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge, confirming it accepts payments. However, there is no OpenAPI spec, no example responses, and all documentation pages are empty stubs ('Connect wallet'). The actual response schema for the stock quote is completely unknown, making integration speculative.
Warnings
- —No API documentation available — /docs, /pricing, /api, and /README all return only 'Connect wallet' with no content
- —No OpenAPI or output schema describing the quote response format
- —Response structure for the stock quote must be discovered empirically
- —The broader platform lists many endpoint categories but it is unclear which are fully functional
Citations
- —Endpoint returns a valid x402 402 challenge with maxAmountRequired of 20000 base units in USDC on Basehttps://lowpaymentfee.com/api/v1/market/quote/INTC
- —Platform advertises $0.02 per request, no API keys, no rate limits, instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/market/quote/INTC
- —Documentation pages (/docs, /pricing, /api, /README) contain only 'Connect wallet' with no substantive contenthttps://lowpaymentfee.com/docs