{"uid":"cap_FyCk960Uz4_dWCWba6eE9","slug":"agentutility-bestiary-random-creature-generator-89d8c6bb","name":"Agentutility Bestiary Random Creature Generator","description":"Returns a random creature with a short encyclopedia entry and a fun fact. Optionally pick from a category (mythology, folklore, cryptid, literature, film, game, religion, sci-fi). Each call varies. For prompts, content feeds, and inspiration. Use it as a random creature API, monster of the day, or random mythical creature generator.","url":"https://x402.agentutility.ai/bestiary-random","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":[],"properties":{"category":{"type":"string","description":"Optional: mythology, folklore, cryptid, literature, film, game, religion, sci-fi, or any (default)."}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"category":{"type":"string"},"creature":{"type":"object","properties":{"name":{"type":"string"},"origin":{"type":"string"},"category":{"type":"string"},"fun_fact":{"type":"string"}}}}}}}}},"responseSchema":{"type":"json","example":{"category":"cryptid","creature":{"name":"Mothman","origin":"West Virginia folklore","category":"cryptid","fun_fact":"First reported near Point Pleasant in 1966."}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_boL5bhpvGEcjrkXrLPSPU","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a randomly selected creature with an encyclopedia entry and fun fact, optionally filtered by category such as mythology, cryptid, folklore, or sci-fi.","exampleAgentPrompt":"Give me a random creature from the cryptid category — I want its encyclopedia entry and a fun fact for today's content post.","exampleUseCases":[{"title":"Daily monster content feed","prompt":"Pull me a random mythology creature with its encyclopedia entry and fun fact — I'm using it as today's 'creature of the day' post for my social feed."},{"title":"Tabletop RPG encounter inspiration","prompt":"I need a random creature from the folklore or game category to inspire an encounter for my campaign tonight — give me something with a short encyclopedia write-up and a fun fact."},{"title":"Creative writing story seed","prompt":"Pick a completely random creature from any category and give me its encyclopedia entry and fun fact so I can build a short story around it."}],"resultDescription":"A JSON object containing the creature's name, a short encyclopedia-style description, a fun fact, and its category. Each call returns a different creature, making results non-deterministic.","failureModes":["Invalid category value returns an error or falls back to a random category","Payment failure via x402 protocol results in 402 response and no creature data","Service unavailability returns a 5xx error with no creature content","Empty or malformed POST body may return a 400 error"],"whenToPreferThis":"Choose this endpoint when you need a quick, varied, single-call creature reference without maintaining your own database of mythological or fictional creatures. Ideal for content feeds, daily creature features, RPG inspiration, or creative writing prompts where non-deterministic variety is desirable. Prefer over static datasets when freshness and surprise are valued.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:13:36.764Z","isFirstParty":false}