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Rotary Agency Free Dictionary API
x402
Rotary Agency Free Dictionary API is a paid API for AI agents from rotaryagency.uk, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-15).
Returns dictionary definitions, phonetics, and word metadata for a given word via a free-source data API
Price / call$0.002
Success—
StatusUnknown
How this service works
Free-source data APIs (100% margin, no proxy, $0.002/call): ...
Output
Returns a structured JSON object containing the queried word's definitions, part of speech, phonetic transcription, example sentences, and potentially synonyms or antonyms, sourced from a free dictionary data source.
Example use cases
Vocabulary assistant for writers
“What does 'sycophant' mean? Give me the definition, part of speech, and an example sentence so I can decide if it fits my essay.”
Language learning app word lookup
“Look up the word 'serendipity' for me — I need its definition, how it's used in a sentence, and its phonetic spelling.”
Automated content enrichment
“I'm building a glossary tool — can you fetch the dictionary entry for 'obfuscate' including its meaning and usage examples?”
Technical details
Endpoint
GEThttps://rotaryagency.uk/api/free/dictionary?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need lightweight, low-cost ($0.002/call) dictionary lookups with structured JSON output and no need for a subscription or API key — ideal for AI agents that need on-demand word definitions, phonetics, or usage examples at scale without a premium dictionary service contract.
Side effects
- Word not found in dictionary returns an empty or error JSON response
- Misspelled input word may yield no results or incorrect matches
- Obscure, highly technical, or proper-noun terms may not be indexed
- API payment failure (x402) if USDC balance is insufficient
- Rate limiting or downtime on the provider's free-source backend
Output
Schema · Response
{
"type": "json",
"example": {
"varies": "endpoint-specific structured JSON"
}
}Tags
x402
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