{"uid":"cap_5t3mR0uVPTyHnl45f7VQY","slug":"x402-demo-api-trending-topics-a3d79400","name":"x402 Demo API - Trending Topics","description":"Paid API with real data: AI/LLM, crypto prices, web search, translation, trending topics, sentiment analysis, aggregator, and more. All endpoints use x402 protocol on Base mainnet.","url":"https://x402-demo-api-theta.vercel.app/api/trending","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"properties":{}},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.04","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"unknown","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.04/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_BGBMS2BCW9LvFMhuyWfYG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.04","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns currently trending topics, hashtags, or keywords via a paid x402 protocol endpoint on Base mainnet.","exampleAgentPrompt":"What are the top trending topics right now? Use the x402 trending endpoint — I'm fine paying the micropayment — and give me a list of what's hot today.","exampleUseCases":null,"resultDescription":"A list of currently trending topics, hashtags, or keywords with associated popularity or engagement signals, returned as structured JSON after a $0.04 USDC micropayment via x402 on Base mainnet.","failureModes":["Payment failure: insufficient USDC balance or x402 payment not completed — returns 402 Payment Required","Invalid request body: malformed POST payload — returns 400 Bad Request","Upstream data source unavailable: trending data fetch fails — returns 500 or partial results","Rate limit exceeded: too many calls in short window — returns 429 Too Many Requests"],"whenToPreferThis":"Use this endpoint when you need real-time trending topic data and are operating in an x402-enabled micropayment environment on Base mainnet. Prefer this over free alternatives when you need pay-per-call flexibility without API key management, or when building agents that automatically handle x402 payments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:39:32.656Z","isFirstParty":false}