Coin Railz

by Coin Railzlive⚡ 402 live· quoted $0.1· 2026-08-25from $0.025 /call

80 pay-per-call services on Base spanning trading intelligence, DeFi and wallet data, prediction-market odds, compliance and contract auditing, satellite and Earth-observation feeds, and IoT readings. The catalogue is published as machine-readable JSON and every route is a POST under /x402/.

TOOLS · 7

#TOOLDESCRIPTIONPRICE/CALL

01GET /x402/gas-price-oracleprobedReal-time gas prices across EVM chains.$0.1

02GET /x402/token-metadataprobedUnified token metadata lookup across chains.$0.1

03GET /x402/pingprobedPing/echo service for wiring up and testing a paid call.$0.25

04POST /x402/iot-sensor-readingdocsSingle timestamped reading from a registered IoT device.$0.025

05POST /x402/whale-alertsdocsLarge wallet movement tracker.$0.35

06POST /x402/arbitrage-scannerdocsCross-exchange arbitrage opportunity scan.$1.25

07POST /x402/smart-contract-auditdocsAutomated smart contract vulnerability audit.$10

Prices set by the provider and charged per successful call.

CONNECT

# Inspect the unpaid x402 requirement before signing anything.
# Use the method and body in the provider docs when this is not a GET route.
curl -i --request GET 'https://coinrailz.com/x402/gas-price-oracle'

Keep EVM_PRIVATE_KEY server-side and use a narrowly funded wallet.official buyer guide ↗