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Automaton-Sovereign Echo API
x402
Automaton-Sovereign Echo API is a paid API for AI agents from api.automaton-sovereign.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-02).
Echoes back input data via a simple GET request, returning the submitted query parameters as a structured response
Price / call$0.001
Success—
StatusUnknown
How this service works
Automaton-Sovereign Value API call
Output
Returns an echo of the submitted input — typically a JSON object containing the reflected query parameters and metadata confirming the request was received and processed.
Example use cases
API integration smoke test
“Send a test GET request to the Automaton-Sovereign echo endpoint and confirm that whatever I pass in comes back correctly so I know my integration is wired up properly.”
x402 payment flow verification
“Make a paid API call to the Automaton-Sovereign echo endpoint for $0.001 USDC to verify my x402 payment pipeline is working end to end.”
Query parameter passthrough check
“Hit the Automaton-Sovereign echo endpoint with a couple of query parameters like name=test and value=123 and show me exactly what comes back so I can confirm the params are being passed through correctly.”
Technical details
Endpoint
GEThttps://api.automaton-sovereign.workers.dev/v1/echo?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a simple, low-cost echo/reflection service to test API connectivity, validate x402 micropayment flows, or confirm query parameter passthrough in a paid API context. It is particularly useful for developers integrating x402-based payment systems who need a cheap, reliable endpoint to verify their client-side payment logic works before connecting to more expensive or complex endpoints.
Side effects
- Payment failure: x402 payment not completed or insufficient USDC balance, resulting in 402 response
- Invalid method: only GET is supported, other HTTP methods return an error
- Malformed query parameters: unexpected parameter types may be ignored or cause parsing errors
- Service unavailable: Cloudflare Workers runtime issues causing 5xx responses
- Rate limiting: excessive requests may be throttled
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true
}
}Tags
x402
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