{"id":"355c5087-d6c5-42d2-9d95-dd1d9c6fc69d","shortId":"DmkS4X","kind":"x402","title":"Payment-gated trending crypto token and sector intelligence with narrative clustering and social momentum.","tagline":"Payment-gated trending crypto token and sector intelligence with narrative clustering and social momentum.","description":"The /alpha/trending endpoint on the x402 Meta Gateway returns trending tokens ranked by volume, with AI-generated analysis of why they're moving. It aggregates data from multiple live sources including CoinGecko, DexScreener, X/Twitter, and others, delivering structured JSON with narrative clustering and social momentum signals.\n\nThis endpoint is part of a broader crypto intelligence API (x402.911fund.io) that offers 14+ tools covering token analysis, sentiment, prediction markets, macro economics, on-chain activity, risk assessment, and more. The /alpha/trending endpoint accepts optional query parameters: `category` (e.g. \"defi\"), `limit` (1–50 results), and `twitter` (boolean to include X/Twitter sentiment addon). Payment is $0.03 USDC per call, settled via the x402 protocol on either Base (EIP-155:8453) or Solana mainnet.\n\nResponses are wrapped in a standardized envelope that includes metadata such as request_id, sources_used, confidence score, time_window, and warnings. The endpoint returns 422 with no charge when clarification is needed, and uses structured error codes (invalid_params, upstream_failed, rate_limited, etc.) for failure cases. The same tools are also accessible via an MCP JSON-RPC interface at /mcp for native AI agent integration.","tags":[],"capabilities":["trending-tokens","crypto-intelligence","narrative-clustering","social-momentum","twitter-sentiment","multi-source-aggregation","x402-payment","usdc-micropayment","structured-json-response","base-chain","solana-chain","category-filtering"],"categories":["crypto","search","llm"],"synonyms":["trending crypto","hot tokens","crypto trends","market movers","token momentum","crypto social sentiment","trending defi","meme coin trends","crypto narrative tracking"],"warnings":["No documented 200 response schema — the structure of successful responses is not formally specified in the OpenAPI spec.","The /docs, /api, /pricing, and /README paths all return 404, so there is no dedicated documentation site beyond the landing page.","Response examples on the landing page are only shown for /alpha/token, not /alpha/trending specifically."],"endpointUrl":"https://x402.911fund.io/alpha/trending","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0xd86F1F35d6B15fEBef2f4a4390b584D8a7deC0B6","amount":"30000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"},"payTo":"CtbPTTFMRfULUMz7DjPDRCKXVSBEcAEXeTUq4n7fSFuf","amount":"30000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300}]},"qualityScore":"0.780","qualityRationale":"Full OpenAPI 3.1 schema is available with well-defined parameters, error envelopes, and a live 402 challenge confirming the endpoint is operational. Pricing is clear ($0.03 USDC). However, no 200 response schema is documented, and no example successful response body is available, so the exact output structure must be inferred from the landing page 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