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Word Tools Autocomplete
x402
Word Tools Autocomplete is a paid API for AI agents from word-tools.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-21).
Returns word completions for a given prefix, ranked by frequency, useful for typeahead suggestions and name brainstorming.
Price / call$0.02
Success—
StatusUnknown
How this service works
Word completions for a prefix, ranked by how common they are, for typeahead and name ideas.
Output
A list of up to 50 word completions for the given prefix, each with the completed word, a frequency-based score, and a flag indicating whether it starts with the input. Also includes the prefix echo, source attribution, and optional summary.
Example use cases
Typeahead for search bar
“Show me the top 20 words that start with 'con' sorted by how common they are — I'm building autocomplete suggestions for a search box.”
Brand name brainstorming
“I need name ideas starting with 'sol' — can you give me 50 word completions for that prefix, ranked by frequency?”
Vocabulary learning app hint
“What are the most common English words that begin with 'mis'? Give me up to 25 completions for a vocabulary quiz hint system.”
Technical details
Endpoint
GEThttps://word-tools.x402tookit.com/autocomplete?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need frequency-ranked word completions for a given prefix — ideal for typeahead UIs, autocomplete dropdowns, or brainstorming word/name ideas starting with a specific string. Prefer it over a general dictionary API when ranking by real-world word frequency matters.
Side effects
- Missing 'word' query parameter returns a 400 error
- Prefix with no known completions returns an empty results array
- limit outside 1-50 range may be clamped or rejected
- Payment not included or insufficient returns a 402 Payment Required response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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