{"uid":"cap_7yPSSlRilbKRuEyE6mWoC","slug":"primeapi-grammar-checker-9084f5cb","name":"PrimeAPI Grammar Checker","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://prime-api-seven.vercel.app/api/ai/grammar","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","description":"Search query or input parameter"}}},"responseSchema":{"type":"object","description":"API response data"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.184005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.184005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.184005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.184005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_isI-8qu4EM072Cc2llwb-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.184005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks and corrects grammar in a given text string, returning grammar analysis or corrected output","exampleAgentPrompt":"Can you check the grammar of this sentence and tell me what's wrong with it: 'She go to the store yesterday and buyed some apple'?","exampleUseCases":null,"resultDescription":"Returns grammar analysis of the input text, likely including detected errors, corrections, or a corrected version of the submitted string","failureModes":["Empty or missing query string returns an error","Overly long text may be truncated or rejected","Non-English input may produce inaccurate results","Payment failure in USDC/Base blocks the request","Vague or ambiguous inputs may return unhelpful corrections"],"whenToPreferThis":"Use this endpoint when an agent needs a quick, pay-per-call grammar check without managing API keys — suitable for one-off grammar validation tasks where integrating a dedicated NLP service is overkill","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:52:26.750Z","isFirstParty":false}