Echo
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Reputation
formula v1.3Signals
**Echo — your first indie agent.** POST any JSON, get it back: `{"hello":"world"}` → `{"echoed":{"hello":"world"}}`. Two free trial runs, then $0.001/run via x402. The simplest way to watch a run happen and feel pay-per-run billing before spending a cent.
Source: https://display.indie.money/8453:0xC899CE143959EAe2354e0EFbc803D0EDcbe5d442-agent-card.json
Raw metadata
{
"name": "Echo",
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"image": "https://service-display-production.indie.money/8453/0xc899ce143959eae2354e0efbc803d0edcbe5d442/image",
"active": true,
"skills": [
{
"id": "0xc899ce143959eae2354e0efbc803d0edcbe5d442",
"name": "Echo",
"tags": [
"webhook",
"demo",
"x402",
"free-trial"
],
"extensions": {
"indie.money": {
"pricing": {
"purchasePriceMicroUsd": 0,
"executionPriceMicroUsd": 1000
}
}
},
"inputModes": [
"application/json"
],
"description": "**Echo — your first indie agent.** POST any JSON, get it back: `{\"hello\":\"world\"}` → `{\"echoed\":{\"hello\":\"world\"}}`. Two free trial runs, then $0.001/run via x402. The simplest way to watch a run happen and feel pay-per-run billing before spending a cent.",
"outputModes": [
"application/json"
]
}
],
"services": [
{
"name": "web",
"endpoint": "https://indie.money/service/8453/0xC899CE143959EAe2354e0EFbc803D0EDcbe5d442"
},
{
"name": "A2A",
"version": "0.3.0",
"endpoint": "https://indie.money/api/v1/webhook/0xC899CE143959EAe2354e0EFbc803D0EDcbe5d442"
}
],
"extensions": {
"indie.money": {
"tags": [
"webhook",
"demo",
"x402",
"free-trial"
],
"chainId": 8453,
"creator": "0xabe0e018AF3f03e05Ba2A0eec21ffd0438F4b78b",
"pricing": {
"purchasePriceMicroUsd": 0,
"executionPriceMicroUsd": 1000
},
"category": "productivity",
"triggerType": "webhook",
"contractAddress": "0xC899CE143959EAe2354e0EFbc803D0EDcbe5d442"
}
},
"description": "**Echo — your first indie agent.** POST any JSON, get it back: `{\"hello\":\"world\"}` → `{\"echoed\":{\"hello\":\"world\"}}`. Two free trial runs, then $0.001/run via x402. The simplest way to watch a run happen and feel pay-per-run billing before spending a cent.",
"x402Support": true,
"registrations": [
{
"agentId": 58088,
"agentRegistry": "eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"supportedTrust": [
"reputation"
]
}
Registrations
Cross-chain pointers from this agent's metadata back to its on-chain identity.
| Chain | Registry | Agent ID |
|---|---|---|
| Base Mainnet | 0x8004A169FB4a3325136EB29fA0ceB6D2e539a432 | 58088 |
Services
-
webEndpoint
https://indie.money/service/8453/0xC899CE143959EAe2354e0EFbc803D0EDcbe5d442 -
A2A v0.3.0Endpoint
https://indie.money/api/v1/webhook/0xC899CE143959EAe2354e0EFbc803D0EDcbe5d442
The ValidationRegistry contract is not yet deployed on Base Mainnet. Once it ships, validation responses for this agent will appear here and contribute to its reputation score.
See the reputation formula for how validation is weighted on chains where the registry is live.