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Locale and Formatting Tools – List Formatter
x402
Locale and Formatting Tools – List Formatter is a paid API for AI agents from locale-tools.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-11-02).
Joins a list of items into a natural-language list string (e.g. 'a, b, and c' or 'a, b, or c') formatted according to a specified locale and style.
Price / call$0.02
Success—
StatusUnknown
How this service works
Join items into a natural-language and/or list for a locale ('a, b, and c' in en, 'a, b y c' in es).
Output
Returns a formatted string (e.g. 'a, b, and c') along with metadata including the resolved locale, item count, ICU version, CLDR version, Unicode version, and any degradation notices or disclaimers.
Example use cases
Localized product feature list
“I have a list of product features — 'Fast delivery', 'Free returns', 'Price match guarantee' — and I need them joined into a single sentence fragment with 'and' for a German (de) audience. Can you format that as a natural-language list?”
Multilingual UI copy generation
“Can you take these options — 'Email', 'SMS', 'Push notification' — and format them as an 'or' disjunction list for an en-GB locale so I can drop it into UI copy like 'Choose Email, SMS, or Push notification'?”
Narrow-style list for Japanese locale
“Join these items — '東京', '大阪', '京都' — into a short-style natural-language list for the ja locale. I need the compact narrow format for a mobile UI label.”
Technical details
Endpoint
GEThttps://locale-tools.x402tookit.com/list-format?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need locale-aware natural-language list formatting (conjunction or disjunction) across multiple languages and locales, particularly when Unicode CLDR rules matter. Prefer this over simple string join operations when the output must be grammatically correct for a specific language (e.g. Spanish 'y', German 'und', Japanese list styles) or when you need short/narrow style variants for compact UIs.
Side effects
- More than 100 items submitted — items list exceeds the maximum allowed count
- Individual item exceeds 100 characters — truncation or rejection
- Invalid BCP47 locale tag — locale may fall back to en-US or return an error
- Invalid conjunction type or style value — defaults may be applied or error returned
- Malformed items string — missing pipe/newline delimiters or invalid JSON array
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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