Universal HTTP 402 Micropayment Protocol & Autonomous Economic Settlement Engine for AI Agents
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Inspect the agent's live on-chain balances on Base Layer 2, including native ETH (for gas), USDC, and $APAY tokens.
Optional target EVM address to inspect balances for
This tool isn't marked read-only, so it may change something on the server or in an account you connected.
Inspect the agent's live on-chain balances on Base Layer 2, including native ETH (for gas), USDC, and $APAY tokens.
| Argument | Type | Description |
|---|---|---|
| address | string | Optional target EVM address to inspect balances for |
{
"type": "object",
"properties": {
"address": {
"type": "string",
"description": "Optional target EVM address to inspect balances for"
}
}
}Inspect the agent's active non-custodial wallet address, network, current spending guardrails, and total spent in USDC and $APAY.
No arguments.
{
"type": "object",
"properties": {}
}Inspect an endpoint to check if it requires an A-Pay micropayment, inspect the exact price quote, currency, and payout receiver without spending any funds.
| Argument | Type | Description |
|---|---|---|
| url* | string | The URL to probe for HTTP 402 payment requirements |
{
"type": "object",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"description": "The URL to probe for HTTP 402 payment requirements"
}
}
}Probe and automatically pay HTTP 402 crypto micropayments on Base Layer 2 with USDC or $APAY within pre-configured budget limits.
| Argument | Type | Description |
|---|---|---|
| url* | string | The target endpoint URL |
| method | string | |
| headers | object | Optional additional HTTP headers |
| json_body | object | Optional JSON request body |
{
"type": "object",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"description": "The target endpoint URL"
},
"method": {
"enum": [
"GET",
"POST",
"PUT",
"DELETE"
],
"type": "string",
"default": "GET"
},
"headers": {
"type": "object",
"description": "Optional additional HTTP headers"
},
"json_body": {
"type": "object",
"description": "Optional JSON request body"
}
}
}Configure agent safety invariants and spending guardrails. Prevents runaway loops or overcharging.
| Argument | Type | Description |
|---|---|---|
| daily_budget_apay | number | Maximum $APAY token rolling 24-hour spending budget |
| daily_budget_usdc | number | Maximum USDC rolling 24-hour spending budget |
| max_per_call_apay | number | Maximum $APAY token allowance for a single API call |
| max_per_call_usdc | number | Maximum USDC allowance for a single API call |
{
"type": "object",
"properties": {
"daily_budget_apay": {
"type": "number",
"description": "Maximum $APAY token rolling 24-hour spending budget"
},
"daily_budget_usdc": {
"type": "number",
"description": "Maximum USDC rolling 24-hour spending budget"
},
"max_per_call_apay": {
"type": "number",
"description": "Maximum $APAY token allowance for a single API call"
},
"max_per_call_usdc": {
"type": "number",
"description": "Maximum USDC allowance for a single API call"
}
}
}