{"uid":"cap_sVC7D5ImF93oAvfy-xdkJ","slug":"tollmint-cognitive-load-analyzer-c132a5d3","name":"Tollmint Cognitive Load Analyzer","description":"An API that quotes its own price and takes payment in the same request. Built for autonomous agents: no account, no invoice, no human in the loop.","url":"https://api.tollmint.com/v1/psych/cognitive-load","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","format":"uri","description":"Page to analyse. Fetched respecting robots.txt."},"html":{"type":"string","maxLength":2000000,"description":"Raw HTML, if you already have it. Takes precedence over url."}}},"responseSchema":{"type":"json","example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.025","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":"$0.025/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4P1uyh88G3UT6MHra4NVQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.025","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes a web page's cognitive load for readers, returning complexity and readability metrics, payable per-call with no account required.","exampleAgentPrompt":"Analyze the cognitive load of https://example.com/product-docs — I want to know how mentally demanding it is for a typical reader to get through that page.","exampleUseCases":[{"title":"Landing page readability audit","prompt":"Can you check the cognitive load on my startup's landing page at https://acme.io — I want to know if it's too complex for first-time visitors to follow."},{"title":"Blog post complexity check","prompt":"I just drafted a technical blog post and pasted the HTML below — can you measure how cognitively demanding it is before I publish it?"},{"title":"Competitor content complexity comparison","prompt":"Pull up https://competitor.com/features and tell me how mentally taxing their feature page is compared to a typical reader's comfort level."}],"resultDescription":"A JSON object containing cognitive load metrics for the analyzed page — likely including scores for information density, reading difficulty, and structural complexity — derived from the fetched URL or submitted HTML.","failureModes":["URL blocked by robots.txt — fetch is skipped and an error is returned","HTML payload exceeds 2MB maxLength limit — request rejected","URL is unreachable or returns a non-200 response — fetch failure error","Payment not included or insufficient — 402 Payment Required response with price quote","Malformed URL format — validation error on the url field","Empty request body with neither url nor html — missing required input error"],"whenToPreferThis":"Choose this endpoint when you need a fast, per-call cognitive load or readability analysis of a web page or raw HTML with no account setup or subscription — especially in autonomous agent pipelines that can handle x402 micropayments. Prefer it over general readability libraries when you want a hosted, maintained API rather than running local NLP yourself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:36:49.080Z","isFirstParty":false}