{"uid":"cap_jH3M96cn0YwOP9JWKWt6Y","slug":"kings-key-eval-exam-endpoint-63acbd19","name":"Kings Key Eval Exam Endpoint","description":"","url":"https://kings-key-eval.onrender.com/v1/exam?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"content":{"type":"string"},"max_tokens":{"type":"number"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XUSt0feEuvBdA_oTtKg2c","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Evaluates or examines submitted text content using an AI model, returning a scored or graded assessment","exampleAgentPrompt":"Can you run my essay through the Kings Key exam evaluator and tell me how it scores — here's the text: 'Artificial intelligence is transforming education by enabling personalized learning at scale.' Keep the response within 500 tokens.","exampleUseCases":[{"title":"Essay quality grader for students","prompt":"I just wrote this paragraph for my history class — can you evaluate it and tell me how strong it is? Here it is: 'The French Revolution reshaped European politics by dismantling monarchical power and spreading democratic ideals.' Limit the feedback to 300 tokens."},{"title":"AI content compliance checker","prompt":"Can you run this product description through the exam evaluator and tell me if it meets quality standards? The content is: 'Our supplement boosts energy, cures fatigue, and guarantees weight loss in 7 days.' Keep it under 400 tokens."},{"title":"Automated answer grading for quizzes","prompt":"Grade this student answer for me using the exam endpoint: 'Photosynthesis is the process by which plants convert sunlight into glucose using carbon dioxide and water.' I want a score and brief feedback, max 250 tokens."}],"resultDescription":"Returns an evaluation or graded assessment of the submitted text content, likely including a score, grade, or qualitative feedback on the content, constrained by the max_tokens parameter specified.","failureModes":["Missing 'content' field returns a validation error","Exceeding token limits may result in truncation or rejection","Malformed JSON body returns a 400 bad request","Service unavailable on free-tier render.com cold starts causing timeouts","Payment failure via x402 protocol results in 402 Payment Required before processing"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call AI evaluation or grading service for text content without standing up your own model infrastructure. It is well-suited for single-shot content assessments, quiz grading, or quality checks where a low per-call cost ($0.05 USDC) is acceptable and you need fast turnaround on short to medium-length text submissions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T06:31:34.111Z","isFirstParty":false,"canonicalSlug":"kings-key-eval-exam-endpoint-63acbd19"}