{"uid":"cap_gYoK-OXPSQVZuW_3ngHtu","slug":"nexus-text-qa-validator-143d7c93","name":"NEXUS Text QA Validator","description":"x402-paid deterministic utilities for autonomous agents","url":"https://x402.nexusword.it/v1/text-qa?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":false,"issues":["duplicate spaces"]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4KNyZud3APTUEtCZKM6Fr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks a text string for quality issues such as duplicate spaces and returns a deterministic pass/fail assessment with a list of detected problems","exampleAgentPrompt":"Can you check this paragraph for text quality issues like duplicate spaces or formatting problems: 'This is  a sample  sentence with   extra spaces.'","exampleUseCases":[{"title":"Pre-publish content quality check","prompt":"Before I post this blog intro, can you run it through the text quality checker and tell me if there are any issues like duplicate spaces or formatting problems? Here's the text: 'Welcome  to our blog.  We write about  technology  and design.'"},{"title":"Pipeline text validation for data ingestion","prompt":"I'm ingesting user-submitted form responses and need you to check this entry for text quality issues before storing it: 'Hello,  my name is Alex.  I am  interested in  your services.'"},{"title":"Automated copyediting assistant","prompt":"Can you validate this marketing tagline for any text quality problems — things like double spaces or weird formatting — before we send it to the design team? The text is: 'Built  for speed,  designed  for you.'"}],"resultDescription":"A JSON object with an 'ok' boolean indicating whether the text passed validation, and an 'issues' array listing specific problems found (e.g. 'duplicate spaces'). If ok is true, issues is empty; if false, issues enumerates each detected problem.","failureModes":["Missing or empty 'text' field returns an error or empty analysis","Very long text inputs may hit payload limits","Payment failure (402) if x402 payment header is missing or invalid USDC amount","Malformed JSON body returns a 4xx error","Network timeout on the x402 payment negotiation step"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, deterministic, low-cost ($0.02 USDC) text validation pass that returns structured issue lists rather than a generative explanation. It is ideal for automated pipelines where consistency and reproducibility matter more than nuanced editorial feedback, and when you want to check for specific formatting defects like duplicate spaces rather than subjective style improvements.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:44:29.355Z","isFirstParty":false,"canonicalSlug":"nexus-text-qa-validator-143d7c93"}