{"name":"x402donghang Agent APIs","value":"Pay-per-call AI tools with free hourly-cached samples and no API-key signup.","featured":"crypto-radar","products":[{"name":"Crypto Radar","paid":"/x402/v1/crypto-radar","sample":"/x402/v1/crypto-radar/sample","price":"$0.03"},{"name":"Grok Chat","paid":"/x402/v1/chat/completions","sample":"/x402/v1/chat/completions/sample","price":"$0.01"},{"name":"Crypto Brief","paid":"/x402/v1/crypto-brief","sample":"/x402/v1/crypto-brief/sample","price":"$0.03"},{"name":"Summarize","paid":"/x402/v1/summarize","sample":"/x402/v1/summarize/sample","price":"$0.02"}],"samples":"/x402/v1/samples","openapi":"/openapi.json"}