AveDaris Agent Utilities
Pre-payment economic and structural preflight for an external Base USDC counterparty: check endpoint reachability, payment terms, recipient format, caller budget, and economic ceiling before any external payment is made. $0.025 USDC per call on Base.
Offering
- Provider
- api.avedaris.com
- Method
- POST
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Blockchain And Crypto
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://api.avedaris.com/v1/paid/counterparty-preflight- MIME type
- application/json
- First seen
- 2026-10-16T03:04:46.000Z
- Last seen
- Tags
- agent-payments, counterparty, preflight, agent-tools
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.025 USDC
Atomic price: 25000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "25000",
"payTo": "0x6c10344d3f96511438458e07a6f2be568a76dfff"
}
]Observed health
- Status
- Healthy
- Latest latency
- 183 ms
- Average latency
- 678 ms
- HTTP status
- 204
- Last checked
- Reachability
- 100% over 14 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"type": "object",
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"enum": [
"POST"
]
},
"bodyType": {
"type": "string",
"enum": [
"json",
"form-data",
"text"
]
},
"body": {
"type": "object",
"additionalProperties": false,
"required": [
"endpoint",
"paymentRequirement",
"maxSpendUsd"
],
"properties": {
"endpoint": {
"type": "string",
"minLength": 8,
"maxLength": 8192,
"description": "Public HTTP(S) seller endpoint to preflight."
},
"paymentRequirement": {
"type": "object",
"additionalProperties": false,
"required": [
"amountUsd",
"network",
"asset",
"payTo"
],
"properties": {
"amountUsd": {
"type": "number",
"exclusiveMinimum": 0,
"description": "Quoted price in USD as a positive number, e.g. 0.01."
},
"network": {
"type": "string",
"description": "v1 accepts Base / eip155:8453."
},
"asset": {
"type": "string",
"description": "v1 accepts USDC or the canonical Base USDC contract address."
},
"payTo": {
"type": "string",
"description": "Proposed EVM settlement recipient."
}
},
"description": "The seller's quoted x402 payment requirement to check before paying, as amountUsd, network, asset and payTo."
},
"maxSpendUsd": {
"type": "number",
"exclusiveMinimum": 0,
"description": "Caller hard budget ceiling for this prospective purchase."
},
"maxEconomicallyRationalSpendUsd": {
"type": "number",
"exclusiveMinimum": 0,
"description": "Optional caller economic ceiling; defaults to maxSpendUsd."
},
"outcomeValueUsd": {
"type": "number",
"exclusiveMinimum": 0,
"description": "Optional caller-estimated value of a successful outcome. AUN does not infer this in v1."
}
}
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"additionalProperties": false
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"endpoint": {
"description": "Public HTTP(S) seller endpoint to preflight.",
"maxLength": 8192,
"minLength": 8,
"type": "string"
},
"maxEconomicallyRationalSpendUsd": {
"description": "Optional caller economic ceiling; defaults to maxSpendUsd.",
"exclusiveMinimum": 0,
"type": "number"
},
"maxSpendUsd": {
"description": "Caller hard budget ceiling for this prospective purchase.",
"exclusiveMinimum": 0,
"type": "number"
},
"outcomeValueUsd": {
"description": "Optional caller-estimated value of a successful outcome. AUN does not infer this in v1.",
"exclusiveMinimum": 0,
"type": "number"
},
"paymentRequirement": {
"additionalProperties": false,
"description": "The seller's quoted x402 payment requirement to check before paying, as amountUsd, network, asset and payTo.",
"properties": {
"amountUsd": {
"description": "Quoted price in USD as a positive number, e.g. 0.01.",
"exclusiveMinimum": 0,
"type": "number"
},
"asset": {
"description": "v1 accepts USDC or the canonical Base USDC contract address.",
"type": "string"
},
"network": {
"description": "v1 accepts Base / eip155:8453.",
"type": "string"
},
"payTo": {
"description": "Proposed EVM settlement recipient.",
"type": "string"
}
},
"required": [
"amountUsd",
"network",
"asset",
"payTo"
],
"type": "object"
}
},
"required": [
"endpoint",
"paymentRequirement",
"maxSpendUsd"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"result": {
"description": "Output of counterparty.preflight. The fields below are the documented core; some responses add further detail fields.",
"properties": {
"advisoryOnly": {
"description": "Always true: this is advice, not an enforcement.",
"type": "boolean"
},
"confidence": {
"description": "Confidence in the decision from 0 to 1, higher when more signals were checked.",
"type": "number"
},
"decision": {
"description": "allow (all checks pass), review (seller endpoint could not be confirmed) or deny (any check failed).",
"type": "string"
},
"economicFit": {
"description": "Budget checks for the quoted price.",
"properties": {
"requestedWithinBudget": {
"description": "true when the quoted amount is at or under maxSpendUsd.",
"type": "boolean"
},
"requestedWithinEconomicCeiling": {
"description": "true when the quoted amount is at or under your economic ceiling.",
"type": "boolean"
}
},
"required": [
"requestedWithinBudget",
"requestedWithinEconomicCeiling"
],
"type": "object"
},
"evidence": {
"description": "One entry per check performed.",
"items": {
"description": "One entry per check performed.",
"properties": {
"code": {
"description": "Check id, e.g. network_supported, asset_supported, recipient_format, budget_fit.",
"type": "string"
},
"status": {
"description": "pass, warn or fail.",
"type": "string"
}
},
"required": [
"code",
"status"
],
"type": "object"
},
"type": "array"
},
"paymentExecuted": {
"description": "Always false: no payment is made to the seller.",
"type": "boolean"
},
"scope": {
"description": "Rule set applied, currently base_usdc_x402_preflight_v1.",
"type": "string"
}
},
"required": [
"decision",
"advisoryOnly",
"paymentExecuted",
"scope",
"economicFit",
"evidence",
"confidence"
],
"type": "object"
}
},
"required": [
"result"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}