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x402engine Gemini 2.0 Flash LLM API
x402
x402engine Gemini 2.0 Flash LLM API is a paid API for AI agents from x402engine.app, paid per call via x402, $0.006577/call, status unknown (last checked 2026-10-28).
Calls Google's Gemini 2.0 Flash multimodal LLM with a 1M-token context window via a pay-per-call micropayment endpoint
Price / call$0.006577
Success—
StatusUnknown
How this service works
Google's latest fast multimodal model with a 1M-token context window
Output
Returns a text completion or multimodal response from Google's Gemini 2.0 Flash model, including the generated content and any structured output depending on the prompt. The model supports up to 1M tokens of context, making it suitable for very long documents or multi-turn histories.
Example use cases
Long document summarization at scale
“I have a massive legal contract — about 200,000 tokens worth of text — can you summarize the key obligations and risks for me using Gemini Flash? It needs to fit the whole thing in context at once.”
Multimodal agent reasoning step
“My agent pipeline needs to analyze this image and a long accompanying text description together and generate a structured report — can you run that through Gemini Flash with the full context?”
Pay-per-call LLM for ephemeral tasks
“I just need a one-off LLM call to draft a detailed product specification from these notes without setting up a Google Cloud account — use Gemini Flash and charge my wallet for the call.”
Technical details
Endpoint
POSThttps://x402engine.app/api/llm/gemini-3.6-flash?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need fast Gemini Flash inference without managing a Google Cloud account or API keys, especially for tasks requiring a very large context window (up to 1M tokens). Ideal for AI agents that operate on a pay-per-call basis using USDC micropayments via the x402 protocol, avoiding subscription overhead for sporadic or variable workloads.
Side effects
- Insufficient USDC balance causes HTTP 402 payment required error
- Prompt exceeds 1M token limit resulting in context length error
- Invalid or malformed request body returns 400 bad request
- Model temporarily unavailable returns 503 service unavailable
- Payment facilitator network congestion causes timeout
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"model": "google/gemini-3.6-flash",
"choices": [
{
"index": 0,
"message": {
"role": "assistant",
"content": "Hello!"
},
"finish_reason": "stop"
}
],
"content": "Hello!"
}
}Tags
x402
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