{"uid":"cap_XI_ZQn7tj0w4IXZWMLZ0a","slug":"readability-syllable-counter-e5c2f7f2","name":"Readability Syllable Counter","description":"Count syllables per word and in total across the text.","url":"https://readability.openverbs.com/v1/syllables","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":{"type":"object","required":["text"],"properties":{"text":{"type":"string","description":"Word or text to count syllables in."}},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_T8Y70PkGXI6Bg-I3X39oW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Counts syllables per word and in total across any given text string.","exampleAgentPrompt":"Can you count the syllables in every word of this sentence, and give me the total: 'The quick brown fox jumps over the lazy dog'?","exampleUseCases":[{"title":"Syllable check for poem writing","prompt":"Count the syllables in each word of this haiku so I can check the 5-7-5 structure: 'An old silent pond a frog jumps into the pond splash silence again'."},{"title":"Readability analysis prep","prompt":"I need a syllable count per word and the total for this paragraph before I run a Flesch-Kincaid score on it: 'Children learn to read by sounding out individual words and recognizing common patterns in language.'"},{"title":"Lyric syllable breakdown","prompt":"Break down the syllables for every word in this chorus line and tell me the total count: 'I will always love you no matter where you go'."}],"resultDescription":"Returns a per-word syllable count for every token in the input text, along with a total syllable count across the entire text, enabling precise linguistic and readability analysis.","failureModes":["Empty or missing 'text' field returns a validation error","Non-English or heavily mixed-language text may yield inaccurate syllable counts","Extremely long text may hit payload size limits","Payment failure via x402 protocol returns 402 status before processing"],"whenToPreferThis":"Choose this endpoint when you specifically need syllable-level granularity — per-word and total — rather than a high-level readability grade. It is the right choice for poetry scansion, lyric writing, Flesch-Kincaid input preparation, or any task where raw syllable counts matter rather than a composite readability score.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:31:39.057Z","isFirstParty":false}