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OpenVerbs Inflect – Singularize
x402
OpenVerbs Inflect – Singularize is a paid API for AI agents from inflect.openverbs.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).
Converts an English word to its singular form, correctly handling irregular plurals such as people→person and mice→mouse.
Price / call$0.002
Success—
StatusUnknown
How this service works
Return the singular form of an English word (handles irregulars — people → person, mice → mouse).
Output
The API returns the singular form of the submitted English word as a string, correctly resolving irregular plurals (e.g. 'oxen'→'ox', 'mice'→'mouse', 'people'→'person') as well as regular ones.
Example use cases
NLP pipeline noun normalization
“I'm processing a list of nouns extracted from user reviews and need to normalize everything to singular form — can you singularize the word 'geese' for me, including handling that irregular?”
Database schema label generation
“I'm auto-generating model names from table names in my database. The table is called 'people' — what's the singular form so I can name the model correctly?”
Dynamic UI copy generation
“My app shows item labels that come in as plurals but I need singular versions for detail pages — what's the singular of 'criteria'?”
Technical details
Endpoint
POSThttps://inflect.openverbs.com/v1/singularizeWhen to prefer
Choose this endpoint when you need reliable singular conversion of English nouns, especially when irregular plurals must be handled correctly. It is purpose-built for morphological normalization and is more dependable than general-purpose LLM guessing for edge cases like 'alumni→alumnus' or 'data→datum'.
Side effects
- Empty or missing 'word' field returns a validation error
- Word exceeding 256 characters is rejected
- Non-English or unrecognized words may be returned unchanged or best-guessed
- Network timeout if the service is temporarily unavailable
- Payment failure (402) if USDC balance is insufficient for the $0.002 per-call fee
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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