{"uid":"cap_Z-RDEni8Jv87vcCrLahSI","slug":"datavault-grammar-checker-61a6fbbd","name":"DataVault Grammar Checker","description":"54 endpoints spanning local tools, live data feeds, and AI-powered text processing. Pay-per-call with USDC on Base.","url":"https://zetdatavault.vercel.app/api/grammar","method":"POST","headers":{},"bodySchema":{"type":"object","required":["text"],"properties":{"text":{"type":"string"}}},"responseSchema":{"type":"object","properties":{"data":{"type":"object"},"success":{"type":"boolean"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_i7W48lqWgHjI00dmMy21L","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks and corrects grammar in a given text using AI-powered text processing","exampleAgentPrompt":"Can you check the grammar in this sentence and fix any mistakes: 'She don't know where is the keys that I was looking for yesterday.'","exampleUseCases":null,"resultDescription":"Returns a JSON object with a success boolean and a data object containing grammar analysis results, likely including corrections, identified errors, and/or a corrected version of the submitted text.","failureModes":["Missing required 'text' field returns 400 error","Empty string input may return no corrections or an error","Very long text may exceed processing limits","Payment failure (402) if USDC balance is insufficient on Base","Network timeout for unusually large text inputs"],"whenToPreferThis":"Choose this endpoint when you need quick, pay-per-call grammar checking without a subscription. Ideal for agents that only occasionally need grammar validation and want to pay $0.03 USDC per check rather than maintaining an NLP service subscription. Good for validating user-generated content, proofreading drafts, or ensuring grammatical correctness before publishing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:39:44.479Z","isFirstParty":false}