{"uid":"cap_BkMMjchB7korGww-IEz8D","slug":"loot-drop-probability-calculator-724c86e4","name":"Loot Drop Probability Calculator","description":"Loot drop probability: Calculate the chance of at least one drop across repeated attempts.","url":"https://market.datapackvibe.com/x402/loot-drop-probability?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"attempts":{"type":"number","default":20},"chance_per_attempt":{"type":"number","default":0.05}}},"responseSchema":null,"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_CKoYnRXdii9ti0mCcOO8c","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates the cumulative probability of obtaining at least one drop across a specified number of repeated attempts given a per-attempt drop chance.","exampleAgentPrompt":"What's the probability of getting at least one loot drop if the per-attempt chance is 5% and I'm making 20 attempts?","exampleUseCases":[{"title":"Gacha pull planning for players","prompt":"If a gacha banner has a 3% chance per pull, what are the odds of getting the character in 50 pulls?"},{"title":"Game designer tuning drop rates","prompt":"I'm designing a rare item with a 2% drop chance — what's the cumulative probability a player gets at least one after 100 farming runs?"},{"title":"Boss fight loot estimation","prompt":"My boss has a 10% chance to drop a legendary sword. If a player fights it 15 times, how likely are they to see at least one drop?"}],"resultDescription":"Returns the probability (as a decimal or percentage) that at least one successful drop occurs across the given number of attempts, computed using standard cumulative probability formula (1 - (1 - p)^n).","failureModes":["Missing or invalid attempts or chance_per_attempt values may return an error or default to schema defaults","chance_per_attempt outside the 0–1 range may produce nonsensical results","Very large attempt counts could produce floating-point precision edge cases","Network or payment authorization failures return HTTP 402 or 5xx errors"],"whenToPreferThis":"Choose this endpoint when you need a quick, reliable probability computation for repeated independent Bernoulli trials in a game context — especially for loot drop, gacha, or farming mechanics. It's ideal for game designers tuning drop rates or players wanting to understand farming odds without running simulations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:56:40.436Z","isFirstParty":false,"canonicalSlug":"loot-drop-probability-calculator-724c86e4"}