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GEDX402 Gemma 3 12B Instruct LLM
x402
GEDX402 Gemma 3 12B Instruct LLM is a paid API for AI agents from chat.gedx402.com, paid per call via x402, $0.035/call, status unknown (last checked 2026-09-15).
Runs inference on Google's Gemma 3 12B Instruct model via Cloudflare Workers AI, payable per-call with USDC on multiple chains — no API key required.
Price / call$0.035
Success—
StatusUnknown
How this service works
x402 workers ai. pay with usdc on base, polygon, arbitrum, world, or solana. no api keys.
Output
A JSON object containing the model identifier '@cf/google/gemma-3-12b-it' and a 'response' string with the assistant's generated text reply, up to the specified max_tokens limit.
Example use cases
Sleep advice from Gemma without signup
“Chat with Gemma 3B to give me three tips for better sleep. Keep it to 300 tokens and pay per message in USDC on Base.”
Customer support replies via crypto LLM
“I need to send customer complaints to Gemma 3 12B and get helpful responses back. Use the instruct model, pay with USDC on Polygon per call, and don't require any API keys.”
Autonomous agent text generation workflow
“My agent needs to generate thoughtful replies to user messages using an open-source model, paid per inference in USDC on Solana, without managing API credentials or subscriptions.”
Technical details
Endpoint
GEThttps://chat.gedx402.com/v1/llm/gemma-3-12b-itWhen to prefer
Choose this endpoint when you need to run inference on Google's Gemma 3 12B Instruct model without registering for an API key, especially in autonomous agent workflows where per-call USDC micropayments via x402 are preferred over subscription billing. Ideal for agents operating on Base, Polygon, Arbitrum, World, or Solana that want open-weight model inference with no account management overhead.
Side effects
- Payment not received or insufficient USDC balance — request rejected with 402 Payment Required
- Unsupported chain used for payment — transaction not recognized
- max_tokens exceeds 4096 — validation error returned
- Malformed messages array (missing role or content) — schema validation failure
- Model overloaded on Cloudflare Workers AI — timeout or 503 error
- Invalid role value in messages (not system/user/assistant) — rejected by schema
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| messages | array | Conversation turns in order (system, user, assistant). |
| max_tokens | integer | Maximum tokens to generate in the assistant reply. |
Output
Schema · Response
{
"type": "json",
"example": {
"model": "@cf/google/gemma-3-12b-it",
"response": "Hello!"
}
}Tags
x402
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