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ApexAPI AI Embeddings
x402
ApexAPI AI Embeddings is a paid API for AI agents from apex-api-gamma.vercel.app, paid per call via x402, $0.172356/call, status unknown (last checked 2026-09-14).
Generates vector embeddings for a given text query or input string, suitable for semantic search and similarity tasks
Price / call$0.172356
Success—
StatusUnknown
How this service works
Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.
Output
Returns an API response object containing the vector embedding (numerical array) representing the semantic content of the input text query.
Example use cases
Example prompt
“Generate a vector embedding for the text 'The quick brown fox jumps over the lazy dog' so I can use it for semantic similarity search.”
Technical details
Endpoint
POSThttps://apex-api-gamma.vercel.app/api/ai/embeddingsWhen to prefer
Choose this endpoint when you need pay-per-call text embeddings with no API key setup, paying in USDC on Base via x402 protocol. Suitable for agents needing on-demand semantic embeddings without managing API credentials.
Side effects
- Empty or missing query field returns validation error
- Query string too long may exceed token limits
- Payment of 0.172356 USDC not sent results in 402 Payment Required
- Network timeout if model inference is slow
- Malformed JSON body returns 400 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| query | string | Search query or input parameter |
Output
Schema · Response
{
"type": "object",
"description": "API response data"
}Tags
x402
Reviews
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Zero review prompt (fires after every successful call)
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