Pay-per-call API returning hot trading pairs on Base chain via x402 micropayment
What it does
This endpoint at bridge.eruditepay.com provides crypto data intelligence, specifically hot trading pairs on the Base blockchain. It is accessed via HTTP POST with a JSON body containing a "query" parameter and returns JSON results. Payment is handled through the x402 protocol (version 2), requiring $0.01 per call settled in either USDC on Base (eip155:8453) or USDT on Tron (tron:728126428).
The endpoint is operated by Erudite Intelligence LLC, which also runs the EruditePay x402 Bridge — a payment facilitator supporting 20 blockchains. The facilitator for this endpoint is Coinbase CDP (api.cdp.coinbase.com). The x402 challenge was successfully captured, confirming the endpoint is live and accepting payments. However, documentation is extremely sparse: there is no OpenAPI spec, no dedicated docs page, and the only schema information comes from the bazaar extension in the 402 challenge, which shows a generic input/output structure with a "query" string field and a response of `{"success": true, "data": {}}`.
Because the endpoint description is simply "Crypto data intelligence" and the URL path suggests "hot pairs" related to token launches on Base, the exact data returned (pair addresses, volume, liquidity, price changes, etc.) is not documented. Users should expect to experiment with the query parameter to understand available functionality. The price per call is 10,000 base units of USDC (6 decimals) = $0.01 USD, making it very affordable for exploratory use.
Capabilities
Use cases
- —Discovering trending or newly launched trading pairs on the Base blockchain
- —Monitoring DEX pair activity for trading bots or dashboards
- —Screening new token launches for research or alerting systems
- —Integrating real-time pair data into crypto analytics platforms
Fit
Best for
- —Developers building Base chain trading tools or bots
- —Crypto analysts tracking new token launches and pair activity
- —Agent-based systems that need pay-per-call access to on-chain pair data
Not for
- —Users needing historical OHLCV candle data (not documented as available)
- —Non-crypto or general financial data queries
- —Users who cannot pay with USDC on Base or USDT on Tron
Quick start
curl -X POST https://bridge.eruditepay.com/v1/base/launch/hot-pairs \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-header>" \
-d '{"query": "example"}'Example
Request
{
"query": "example"
}Response
{
"data": {},
"success": true
}Endpoint
Quality
The endpoint is confirmed live via a valid x402 402 challenge, and pricing is clear ($0.01/call). However, there is no OpenAPI spec, no dedicated documentation, and the bazaar schema is generic with placeholder examples. The actual data structure and query semantics are undocumented.
Warnings
- —No OpenAPI or dedicated API documentation available — the /docs path returns 404
- —The bazaar schema example output is a placeholder ({"success": true, "data": {}}) and does not describe actual response fields
- —Query parameter semantics are unknown — no documentation on valid query values or filters
- —Provider description is generic: 'Crypto data intelligence' with no specifics on what 'hot pairs' data includes
Citations
- —Endpoint returns x402 v2 challenge with USDC on Base and USDT on Tron payment optionshttps://bridge.eruditepay.com/v1/base/launch/hot-pairs
- —Payment amount is 10000 base units (=$0.01 for 6-decimal stablecoins)https://bridge.eruditepay.com/v1/base/launch/hot-pairs
- —Operated by Erudite Intelligence LLC, FinCEN MSB registeredhttps://bridge.eruditepay.com
- —EruditePay Bridge supports 20 blockchains as an x402 facilitatorhttps://bridge.eruditepay.com
- —Facilitator for this endpoint is Coinbase CDPhttps://bridge.eruditepay.com/v1/base/launch/hot-pairs