{"uid":"cap_9ork69lZhMRWqrsRwJfOk","slug":"chess402-vercel-app-4209938d","name":"Lichess User Profile Snapshot","description":"Lichess user profile snapshot: ratings per perf, country, title, online status, counts.","url":"https://chess402.vercel.app/api/user","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"username":{"type":"string","pattern":"^[A-Za-z0-9_-]+$","maxLength":30,"minLength":2,"description":"Lichess username (case-insensitive)."}}},"responseSchema":{"type":"json","example":{"id":"drnykterstein","url":"https://lichess.org/@/DrNykterstein","count":{"all":10450,"win":6000,"draw":2450,"loss":2000,"rated":9800},"perfs":{"blitz":{"rd":45,"prog":12,"prov":false,"games":1234,"rating":3153},"rapid":{"rd":60,"prog":0,"prov":false,"games":89,"rating":2881},"bullet":{"rd":40,"prog":-5,"prov":false,"games":5678,"rating":3243}},"title":"GM","online":false,"patron":false,"seenAt":1700000000000,"profile":{"flag":"NO"},"playTime":{"tv":0,"total":1234567},"username":"DrNykterstein","createdAt":1389027719000}},"example":{"request":{"username":"DrNykterstein"},"response":{"id":"drnykterstein","url":"https://lichess.org/@/DrNykterstein","count":{"me":0,"all":10450,"win":7207,"draw":834,"loss":2409,"rated":10435,"import":0,"playing":0,"bookmark":0},"flair":"people.santa-claus-light-skin-tone","perfs":{"blitz":{"rd":157,"prog":37,"prov":true,"games":606,"rating":3153},"rapid":{"rd":150,"prog":0,"prov":true,"games":0,"rating":2500},"atomic":{"rd":258,"prog":85,"prov":true,"games":25,"rating":2160},"bullet":{"rd":74,"prog":-14,"games":9583,"rating":3243},"chess960":{"rd":186,"prog":-26,"prov":true,"games":129,"rating":2541},"classical":{"rd":150,"prog":0,"prov":true,"games":0,"rating":2500},"ultraBullet":{"rd":230,"prog":-7,"prov":true,"games":92,"rating":2406},"correspondence":{"rd":500,"prog":0,"prov":true,"games":0,"rating":1500}},"title":"GM","patron":true,"seenAt":1777141390010,"profile":{},"playTime":{"tv":665451,"total":1169601},"streamer":{"twitch":{"channel":"https://www.twitch.tv/maskenissen"}},"username":"DrNykterstein","createdAt":1544100290814,"patronColor":10}},"exampleRequest":{"username":"DrNykterstein"},"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__JDDE0ssiZ3y2LlfC1ysh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves a Lichess user profile including ratings per time control, country, title, online status, and game counts.","exampleAgentPrompt":"Pull up the Lichess profile for user 'DrNykterstein' — I want to see their blitz, rapid, and classical ratings, their title, country, and whether they're currently online.","exampleUseCases":null,"resultDescription":"Returns a snapshot of the Lichess user profile including per-performance ratings (bullet, blitz, rapid, classical, etc.), the player's country, official title (e.g. GM, IM), current online status, and counts of games played across categories.","failureModes":["Username not found — returns error if the Lichess user does not exist","Rate limiting — too many requests may result in throttling","Invalid input — missing or malformed username field","Lichess API unavailable — upstream service downtime causes failure"],"whenToPreferThis":"Use this endpoint when you need a comprehensive profile snapshot for a specific Lichess user, including their ratings across all time controls, title, country, and activity counts. Prefer this over the daily puzzle or Stockfish endpoints when the goal is player identity or rating information rather than game analysis or puzzles.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:41:17.165Z","isFirstParty":false}