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Obol Bounty Chat Completions (openrouter/auto)
x402
Obol Bounty Chat Completions (openrouter/auto) is a paid API for AI agents from 3-obol-agent.dvlabs.dev, paid per call via x402, $0.03/call, status down (last checked 2026-09-15).
Provides an OpenAI-compatible chat completions endpoint powered by openrouter/auto, accessible via micropayment per call using the x402 protocol.
Price / call$0.03
Success—
StatusDown
How this service works
Unlock Agent and API services with digital payments. openrouter/auto, openrouter/auto, openrouter/auto.
Output
Returns an OpenAI-compatible chat completion JSON object containing the assistant's generated message text, the model used (openrouter/auto), finish reason (e.g. 'stop'), and a completion ID. In streaming mode, returns server-sent event chunks instead.
Example use cases
Example prompt
“Send this conversation to the Obol Bounty openrouter/auto chat endpoint and get a response: system says 'You are a helpful assistant', user asks 'What are the main causes of inflation?' — keep it under 300 tokens.”
Technical details
Endpoint
POSThttps://3-obol-agent.dvlabs.dev/services/obol-bounty/v1/chat/completionsWhen to prefer
Choose this endpoint when you need a pay-per-call, subscription-free LLM chat completions API that uses x402 USDC micropayments (0.03 USDC per call) and is compatible with the OpenAI chat completions schema. It is ideal for agents that want to avoid API key management and instead pay programmatically with stablecoins. Prefer this over traditional LLM APIs when operating in a Web3 or crypto-native stack, or when you need automatic model routing via openrouter/auto without committing to a specific model.
Side effects
- 402 Payment Required if the x402 micropayment header is missing or invalid
- 401/403 if payment cannot be verified
- 429 rate limiting if too many requests are sent
- 500 internal error if the upstream OpenRouter model is unavailable
- 400 Bad Request if the messages array is malformed or required fields are missing
- Streaming errors if the client does not handle SSE correctly
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| model | string | Model identifier advertised in the 402 accepts[].extra or /api/services.json. |
| stream | boolean | |
| messages | array | |
| max_tokens | integer | |
| temperature | number |
Output
Schema · Response
{
"type": "json",
"example": {
"id": "chatcmpl-example",
"model": "openrouter/auto",
"object": "chat.completion",
"choices": [
{
"index": 0,
"message": {
"role": "assistant",
"content": "Hello! How can I help you today?"
},
"finish_reason": "stop"
}
]
}
}Tags
x402
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