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Delx Commerce Word Frequency API
x402
Delx Commerce Word Frequency API is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).
Counts word frequencies in a text and returns the top words with their counts, total token count, and unique word count.
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.
Output
Returns a JSON object with a ranked list of the top words and their occurrence counts, the total number of tokens, and the count of unique words. Schema version is included as 'delx/word-frequency/v1'.
Example use cases
SEO keyword density check
“Analyze the word frequency in this blog post draft and tell me which words appear most often so I can check if my target keywords are well-represented: [paste article text here]”
Text complexity assessment for students
“Run a word frequency count on this student essay and tell me how many unique words they used and what the most common words are.”
Corpus term analysis for research
“I have a chunk of survey responses combined into one block of text — can you count how often each word appears and show me the top 10 most frequent terms?”
Technical details
Endpoint
POSThttps://commerce.delx.ai/api/v1/x402/word-frequency?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a simple, pay-per-call word frequency count with no signup or API key — ideal for AI agents that need lightweight text analytics on demand using USDC micropayments. Prefer this over heavier NLP APIs when you only need token/word counts and top-word rankings without sentiment, entities, or embeddings.
Side effects
- Text exceeds 100,000 character limit — request rejected
- Payment not fulfilled via x402 — 402 response returned
- Empty or missing 'text' field — validation error
- Malformed JSON body — 400 bad request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | Primary text input (max 100k chars). Processed first-party; not retained as a dataset. |
Output
Schema · Response
{
"type": "json",
"example": {
"top": [
{
"word": "agent",
"count": 1
},
{
"word": "hello",
"count": 1
},
{
"word": "world",
"count": 1
}
],
"schema": "delx/word-frequency/v1",
"unique": 3,
"total_tokens": 3
}
}Tags
x402
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