{"uid":"cap_gmCbg6xNDKh6UFueDt0WI","slug":"proofline-cta-check-8c564540","name":"Proofline CTA Check","description":"Evidence-backed product validation and SaaS conversion audits, including a fixed $250 validation sprint with reproducible, Linear-ready defects.","url":"https://proofline-audit.chrismellado.chatgpt.site/api/x402/cta-check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","format":"uri","maxLength":2048,"description":"Public http(s) landing-page URL to inspect"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["product","score","verdict","summary","firstRepair","issues"],"properties":{"score":{"type":"integer","maximum":100,"minimum":0},"issues":{"type":"array"},"product":{"type":"string"},"summary":{"type":"string"},"verdict":{"enum":["clear","friction","blocked"],"type":"string"},"firstRepair":{"type":"string"},"suggestedCta":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"score":64,"issues":[{"id":"placeholder-action","repair":"Connect the action to the real next step and verify it on mobile.","category":"action","evidence":"The primary action points to #.","severity":"high"}],"product":"Proofline CTA Check","summary":"3 evidence-backed friction point(s) found; repair the highest deduction first.","verdict":"friction","firstRepair":"Replace the placeholder CTA destination with the real next step and verify it on mobile.","suggestedCta":"See the product in action"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_10QqhbJ_v9fs9ABiK9_6q","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes a public landing page URL for conversion friction, returning a score, verdict, and prioritized repair recommendations for the call-to-action.","exampleAgentPrompt":"Can you run a Proofline CTA check on https://myapp.com and tell me what friction is blocking conversions, what score it gets, and what the single most important fix is?","exampleUseCases":[{"title":"SaaS trial page friction audit","prompt":"Run a CTA audit on https://acme.io/free-trial and tell me if there's friction blocking signups, what issues were found, and what the top repair should be."},{"title":"Pre-launch landing page validation","prompt":"Before we go live tomorrow, can you check https://launchpad.example.com for any conversion blockers or CTA problems and give me a score?"},{"title":"Competitor landing page benchmarking","prompt":"Audit https://competitor.com/pricing with Proofline and tell me their friction score and verdict — I want to see how their CTA holds up."}],"resultDescription":"Returns a JSON object with: an integer score (0–100), a verdict ('clear', 'friction', or 'blocked'), a summary of findings, a list of issues each with id/category/severity/evidence/repair, the highest-priority firstRepair action, and a suggestedCta text string.","failureModes":["Non-public or auth-gated URL returns an error or incomplete analysis","Malformed URL input causes validation failure","URL that times out or returns non-200 may yield partial or empty results","JavaScript-heavy SPAs may not be fully inspectable, reducing issue accuracy","Rate limiting or payment failure returns 402 with no audit result"],"whenToPreferThis":"Choose this endpoint when you need a fast, evidence-backed, machine-readable audit of a single landing page's call-to-action and conversion friction — especially when you want a prioritized, Linear-ready repair list rather than generic UX advice. Prefer this over general SEO or analytics tools when the goal is specifically diagnosing CTA and conversion flow problems on a public URL.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T12:33:51.530Z","isFirstParty":false,"canonicalSlug":"proofline-cta-check-8c564540"}