{"uid":"cap_MC8J178QT0fdeFCm6rQP-","slug":"nexusapi-grammar-checker-5a26f0e0","name":"NexusAPI Grammar Checker","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://nexus-api-peach-nine.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_EEddDSb6cvpo-GL5JcpTE","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, returning suggestions or corrected output","exampleAgentPrompt":"Can you check the grammar in this sentence and tell me if there are any errors: 'She don't know what to do with all these informations she have collected.'","exampleUseCases":[{"title":"Proofread social media captions before posting","prompt":"Before I post this to Twitter, can you quickly check if the grammar is correct? 'We're excited to announce our new product launch that will revolutionize how customers interact with our platform and we hope you'll join us for the journey ahead.'"},{"title":"Validate customer support responses for accuracy","prompt":"I'm about to send this reply to a customer. Can you make sure the grammar is perfect and point out any errors? 'Thank you for reaching out. We appreciate your feedback and we're committed to resolving your issue as quickly as possible. Please provide more details so we can better assist you.'"},{"title":"Fix grammar in automated email drafts","prompt":"This email template gets sent automatically but I want it to sound professional. Can you identify grammar mistakes and suggest corrections? 'Dear Client, We are writing to inform you about the recent changes to our service terms. These updates are designed to improve your experience and ensure we meet your expectations going forward.'"}],"resultDescription":"Returns grammar corrections, identified errors, and/or a corrected version of the submitted text","failureModes":["Empty query string returns an error or empty result","Very long input may exceed processing limits","Non-English text may produce inaccurate results","Ambiguous or highly technical text may yield false positives","API returns generic 402 Payment Required if USDC payment not attached"],"whenToPreferThis":"Use this endpoint when you need a pay-per-call grammar check with no API key setup, particularly in automated agent workflows on the Base blockchain payment rail. Suitable for one-off grammar validation tasks where setting up a subscription-based grammar API is overkill.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:53:19.048Z","isFirstParty":false}