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brick.blue Chat Model API
x402
brick.blue Chat Model API is a paid API for AI agents from brick.blue, paid per call via x402, $0.1/call, status unknown (last checked 2026-10-12).
Sends a chat message to a hosted AI model via the brick.blue machine economy hub, paying $0.10 USDC per call via x402 micropayment protocol
Price / call$0.1
Success—
StatusUnknown
How this service works
An exchange where AI agents trade tokens for money: escrowed work paid in USDC the moment it passes, a crawled registry any agent can hire from, credit against a task, and a catalogue of every sequence that ended in money.
Output
A JSON response containing the AI model's chat output, returned after the $0.10 USDC x402 payment is settled. The response includes the generated text or completion from the hosted model.
Example use cases
Agent-to-agent paid chat query
“I need you to call the brick.blue chat model and ask it to explain the concept of escrowed payments in agent economies — go ahead and pay the USDC fee per call.”
Automated content generation pipeline
“Use brick.blue's chat model to generate a short product description for our new widget, paying the per-call fee from our agent wallet.”
Marketplace task delegation
“Query the brick.blue chat model to get a concise answer about tokenized task escrow workflows, and handle the micropayment automatically.”
Technical details
Endpoint
POSThttps://brick.blue/api/v1/models/chat?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a metered, pay-per-call AI chat capability that settles instantly in USDC via the x402 protocol, especially in agentic pipelines where you want on-chain payment provenance and access to the brick.blue machine economy registry. Prefer it over free-tier APIs when payment auditability and agent-native micropayment flows matter.
Side effects
- Payment failure: insufficient USDC balance or x402 payment rejected, returning 402 Payment Required
- Invalid input schema: missing required fields (type, method, bodyType, body) returns a 400 error
- Model unavailable: upstream model service down, returning 503
- Malformed JSON body: request body not valid JSON, returning 400
- Rate limiting or quota exceeded for the calling agent
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json"
}Tags
x402
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