{"uid":"cap_ZAMHsgC7uJsT80uBl4dWU","slug":"levenshtein-edit-distance-similarity-calculator-7f8532df","name":"Levenshtein Edit Distance & Similarity Calculator","description":"Levenshtein edit distance between two strings, plus a 0-1 similarity ratio.","url":"https://agent402.tools/api/levenshtein","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"a":{"type":"string"},"b":{"type":"string"}}},"responseSchema":{"type":"json","example":{"distance":3,"similarity":0.571}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/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_DLJJMcU9EXJ6cl3lAPtSn","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":"Computes the Levenshtein edit distance between two strings and returns a normalized 0–1 similarity ratio.","exampleAgentPrompt":"What's the Levenshtein edit distance and similarity ratio between 'kitten' and 'sitting'?","exampleUseCases":null,"resultDescription":"Returns the integer Levenshtein edit distance (minimum single-character edits to transform string a into string b) and a normalized similarity ratio between 0 and 1 (where 1 means identical strings).","failureModes":["Missing one or both string inputs results in a validation error","Extremely long strings may exceed payload limits or timeout","Non-string types for a or b may cause schema validation failure"],"whenToPreferThis":"Use this endpoint when you need a precise, classic edit-distance metric for fuzzy string matching, spell checking, deduplication, or similarity scoring between two specific strings. Prefer this over semantic similarity endpoints when character-level differences matter, not meaning.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:14:02.945Z","isFirstParty":false}