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X402 Hub – Gemini AI Query Endpoint
x402
X402 Hub – Gemini AI Query Endpoint is a paid API for AI agents from x402-hub.vercel.app, paid per call via x402, $0.125/call, status unknown (last checked 2026-09-29).
Sends a natural language query to Google Gemini AI via the X402 Hub, with per-call micropayment billing on Base
Price / call$0.125
Success—
StatusUnknown
How this service works
63 paid API endpoints protected by x402 micropayments on Base
Output
Returns a JSON object with a `data` field containing Gemini's response to the submitted query, structured as upstream API output from Google Gemini.
Example use cases
On-demand AI research assistant
“Use the X402 Hub's Gemini endpoint to answer this research question: 'Summarize the latest advances in protein folding prediction since AlphaFold2.'”
Pay-per-use content drafting
“Query Gemini through the X402 Hub to draft a short product description for a noise-cancelling travel headphone targeting business travelers.”
Agentic reasoning without subscription
“Send this reasoning task to Gemini via X402 Hub: 'Given a 10% monthly churn rate and 500 current users, how many users will remain after 6 months?'”
Technical details
Endpoint
POSThttps://x402-hub.vercel.app/api/gemini?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need pay-per-use access to Google Gemini without managing a Gemini API subscription or key — ideal for agents that make infrequent or variable-volume calls and want to pay only for what they use in USDC on Base via x402 protocol.
Side effects
- Insufficient USDC balance causes payment failure and 402 response
- Malformed or missing `query` field returns validation error
- Gemini upstream API timeout or outage results in 502/503 error
- Query blocked by content policy returns an error or empty response
- Rate limiting on the upstream Gemini API causes temporary unavailability
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| queryrequired | string | Query parameter for the API |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| data | object | Response data from upstream API |
Tags
x402
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