Pay-per-call stock data for ticker MMM via x402 on Base, settled in USDC.
What it does
This endpoint at lowpaymentfee.com provides stock data for the ticker MMM (3M Company) through an x402 payment-gated API. Each request costs $0.02 in USDC on the Base network — no API keys, no rate limits, and no subscriptions required. The endpoint accepts POST requests and returns JSON.
The provider, lowpaymentfee.com, hosts a broad catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services, all priced uniformly at $0.02 per request. This specific endpoint sits under the finance category and serves stock-level data for the MMM ticker symbol. The x402 challenge is live and well-formed, advertising payment to a USDC contract on Base (asset 0x8335…2913) with a max amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals).
Documentation is extremely sparse. The crawled docs, pricing, and API pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI spec, no example request/response payloads, and no description of what fields the stock data response contains. Buyers should expect to experiment or contact the provider for schema details.
Capabilities
Use cases
- —Fetching current or recent stock data for 3M (MMM) in an automated trading or analytics pipeline
- —Integrating low-cost, keyless stock lookups into an AI agent workflow
- —Prototyping financial dashboards without committing to a subscription data provider
Fit
Best for
- —Agents or bots that need on-demand stock data without managing API keys
- —Developers who want crypto-native, per-call billing for financial data
- —Low-volume or sporadic stock data consumers who don't want subscriptions
Not for
- —High-frequency trading requiring sub-millisecond latency and guaranteed SLAs
- —Users who need comprehensive historical OHLCV data with documented schemas
- —Anyone without a Base-network USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/stocks/MMM \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-header>"Endpoint
Quality
The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no documented request/response schema, no example payloads, and all doc pages render only a wallet-connect prompt. The listing is effectively a stub with a working payment gate.
Warnings
- —No OpenAPI or schema documentation available — response format is unknown
- —All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no technical content
- —No example responses or field definitions for the /stocks/MMM endpoint
- —The broader site lists many endpoints but none appear to have public documentation
Citations
- —Endpoint returns HTTP 402 with x402 challenge advertising USDC on Base networkhttps://lowpaymentfee.com/api/v1/stocks/MMM
- —Max amount required is 20000 base units of USDC (6 decimals) = $0.02https://lowpaymentfee.com/api/v1/stocks/MMM
- —Site advertises $0.02/request, no API keys, no rate limits, instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/stocks/MMM