{"uid":"cap_IupZHGs2n0QuPJn_XZAfm","slug":"three-ws-skill-call-api-79399628","name":"three.ws Skill Call API","description":"Make a 3D AI agent from a selfie in 60 seconds. Drop one HTML tag to embed it on any website. Agents think on IBM watsonx.ai (Granite); optionally charge per chat with built-in micropayments.","url":"https://three.ws/api/x402/skill-call","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["skill"],"properties":{"skill":{"type":"string","maxLength":128,"minLength":1,"description":"Unique skill slug from the marketplace_skills catalog."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["ok","skill","calledAt"],"properties":{"ok":{"type":"boolean","const":true},"skill":{"type":"object","required":["id","slug","name"],"properties":{"id":{"type":"string"},"name":{"type":"string"},"slug":{"type":"string"},"category":{"type":"string"},"description":{"type":"string"}}},"tools":{"type":"array","items":{"type":"object"}},"content":{"type":"string"},"calledAt":{"type":"string","format":"date-time"}}}}}}},"responseSchema":{"type":"json","example":{"ok":true,"skill":{"id":"fc504e4a-6667-4757-9157-2bcc35434e6c","name":"Wallet Balance","slug":"wallet-balance","category":"crypto","description":"Check ETH and ERC-20 token balances for any Ethereum address."},"tools":[{"type":"function","function":{"name":"get_balance","description":"Fetch balances."}}],"content":"# Wallet Balance\n\nUse get_balance to fetch ...","calledAt":"2026-05-31T18:48:09.000Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/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_18jPraoo0NimgeFu7tlWX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a skill definition (tools, content, metadata) from the three.ws marketplace by skill slug, charged per call via x402 micropayment","exampleAgentPrompt":"Pull the skill definition for 'wallet-balance' from the three.ws marketplace — I need its tool specs and content so I can wire it into my agent.","exampleUseCases":[{"title":"Dynamically load skill before agent invocation","prompt":"Hey, before my agent starts helping customers with payments, fetch the 'stripe-checkout' skill definition from three.ws so I can see what tools it exposes and make sure it has everything we need."},{"title":"Discover available 3D agent capabilities","prompt":"I'm building a customer support agent and want to see what skills are available — can you pull the definitions for 'ticket-resolver' and 'knowledge-base-search' from the marketplace so I know what we can wire up?"},{"title":"Verify skill compatibility before embedding","prompt":"We're about to embed a 3D agent on our website, but I need to confirm the 'product-recommender' skill definition from three.ws actually includes the filtering tools we require for our catalog."}],"resultDescription":"Returns a JSON object with ok:true, the skill's id/slug/name/category/description, an array of tool function definitions (type, function name, description), the skill's markdown content, and a calledAt timestamp. Costs $0.01 USDC per call via x402.","failureModes":["Invalid or unknown skill slug returns an error or empty result","Missing required 'skill' query parameter causes a 400-level error","x402 payment not provided or insufficient causes a 402 Payment Required response","Network timeout if the marketplace backend is slow","Skill may be deprecated or removed from catalog, returning not-found"],"whenToPreferThis":"Use this endpoint when you need to dynamically load a named skill's tool definitions and content from the three.ws marketplace at runtime, especially when building or orchestrating 3D AI agents that need to discover available capabilities on demand. Prefer this over hardcoding skill specs, or when you need to pay-per-use rather than subscribing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:40:46.533Z","isFirstParty":false}