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inflect.openverbs.com Pluralize
x402
inflect.openverbs.com Pluralize is a paid API for AI agents from inflect.openverbs.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).
Returns the correct plural form of a given English word, including irregular plurals like person→people and mouse→mice.
Price / call$0.002
Success—
StatusUnknown
How this service works
Return the plural form of an English word (handles irregulars — person → people, mouse → mice).
Output
Returns the correctly pluralized English form of the input word, handling both regular pluralization rules and irregular forms (e.g. person→people, mouse→mice, criterion→criteria).
Example use cases
Dynamic UI label pluralization
“I'm building a dashboard and need to display labels like '3 items' or '1 child' — can you pluralize 'child' for me so I can use it in the UI?”
Content generation with correct grammar
“I'm generating a blog post and need to refer to multiple 'criterion' — what's the correct plural form?”
Database field display formatting
“My app stores entity types as singular nouns like 'goose' and I need to display the plural in a report — can you give me the plural of 'goose'?”
Technical details
Endpoint
POSThttps://inflect.openverbs.com/v1/pluralizeWhen to prefer
Choose this endpoint when you need reliable, programmatic English pluralization that correctly handles irregular nouns — especially when building dynamic UIs, generating natural language content, or normalizing database display values. Prefer this over custom regex or dictionary lookups when irregular plural forms (person→people, mouse→mice, criterion→criteria) must be handled correctly without maintaining your own word list.
Side effects
- Empty or missing 'word' field returns a validation error
- Word exceeding 256 characters is rejected
- Non-English or unrecognized words may return a best-guess or error
- Network timeout or service unavailability returns a 5xx error
- Invalid JSON body returns a 400 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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