OceanAlt pre-payment decision
OceanAlt pre-payment decision: should this agent make this payment? allow / review / decline with verifiable evidence. Prepaid credits are cheaper: see POST /api/x402/credits.
Answeringour last check, 2026-10-10
1 of 1checks answered this week
687 msmedian answer time
$0.002listed price per call
$0.002price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://oceanalt.com/api/x402/decision
| Category | Everything else |
|---|---|
| Provider host | oceanalt.com |
| Networks | eip155:8453, eip155:84532, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 4 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-10 | valid payment request | 402 | $0.002 | 687 ms |
Example input (from the provider)
{
"body": {
"amountUsdc": 25,
"network": "base",
"purpose": "invoice",
"to": "0x8ac5381fcd9e7395d14e02986c344aada84b4bc6"
},
"bodyType": "json",
"headerFields": {
"X-OceanAlt-Credit": "Optional prepaid credit token from POST /api/x402/credits; when present, one credit is used and no payment is required"
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"amountUsdc": {
"description": "Optional payment amount in USDC",
"type": "number"
},
"network": {
"description": "Optional EVM chain of the payee",
"enum": [
"ethereum",
"base",
"bsc",
"polygon",
"arbitrum",
"optimism",
"avalanche"
],
"type": "string"
},
"purpose": {
"description": "Optional short note on what the payment is for",
"type": "string"
},
"to": {
"description": "Payee address the agent intends to pay: EVM 0x\u2026 or TRON T\u2026",
"type": "string"
}
},
"required": [
"to"
],
"type": "object"
},
"bodyType": {
"const": "json",
"type": "string"
},
"method": {
"const": "POST",
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"decision": {
"description": "allow | review | decline",
"enum": [
"allow",
"review",
"decline"
],
"type": "string"
},
"evidence": {
"description": "Checkable evidence: which list matched or which on-chain path",
"items": {
"type": "object"
},
"type": "array"
},
"reason_code": {
"description": "Stable machine-readable reason",
"type": "string"
},
"retry": {
"description": "Retry rule for the agent planner, e.g. not_applicable, non_retryable, policy_dependent_backoff",
"type": "string"
},
"signal_class": {
"description": "ok | payment | regulatory | authorization | uncertain",
"type": "string"
},
"signal_keys": {
"description": "Language-independent signal keys; branch on these, not on prose",
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"decision",
"reason_code"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}