{"uid":"cap_TKuvngaJ3cX2F_c0KpgwJ","slug":"nexusapi-grammar-checker-4db38df3","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-virid.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":"0.033122","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":"$0.033122/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.033122","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.033122","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_aikrcVTseBwN8ehjIp9VN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.033122","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 provided text string, returning suggestions or corrected output","exampleAgentPrompt":"Can you check the grammar of this sentence for me: 'She don't like going to the store on Sundays because it are always too crowded.'","exampleUseCases":[{"title":"Email proofreading before sending","prompt":"Before I send this email to my client, can you check the grammar and fix any mistakes: 'Dear John, I wanted to follow up regarding our meeting from last week. We has reviewed your proposal and think it are a great fit for our team.'"},{"title":"Student essay grammar check","prompt":"Can you check the grammar in this paragraph from my essay and tell me what's wrong: 'The effects of climate change is widespread and it affect many ecosystems. Scientists have been studied this phenomena for decades and their findings are alarming.'"},{"title":"Social media post correction","prompt":"I want to post this on LinkedIn but I'm not sure the grammar is right — can you fix it: 'Me and my team has just launched our new product after working hard on it for the past six month.'"}],"resultDescription":"The agent receives a response containing grammar analysis of the submitted text, which may include corrected text, identified grammatical errors, suggestions for improvement, or a grammatically cleaned version of the input string.","failureModes":["Empty or missing query field returns an error","Extremely long text may be truncated or fail","Non-English text may produce inaccurate results","Ambiguous or highly technical jargon may be incorrectly flagged","Service unavailability returns a 402 or 5xx error"],"whenToPreferThis":"Choose this endpoint when an agent needs a quick, pay-per-call grammar check without managing API keys. It is suitable for single text snippet correction tasks in automated pipelines, content generation workflows, or writing assistant agents operating on Base/USDC payments via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:50:46.950Z","isFirstParty":false}