Use this service when you need this capability: classify bounded caller-supplied addresses by explicit chain format and report validation results.
0.01 USDC per call
x402 V1 + V2 exact payment on Base mainnet (base in V1; eip155:8453 in V2) using USDC. One HTTP 402 response carries the canonical V2 PAYMENT-REQUIRED header and equivalent V1 JSON body.
POST https://signalharness.ai/api/agent/services/multichain_address_profile/invokeClassify bounded caller-supplied addresses by explicit chain format and report validation results.
Caller-supplied data is processed deterministically. These tools do not supply live market feeds, query blockchain RPC, host AI models, or verify that supplied history is complete. Payment remains Base USDC for every chain category.
| Field | Type | Required | Limits |
|---|---|---|---|
| multichain_profile_request | string | Required | Minimum length 2; Maximum length 65536 |
{
"multichain_profile_request": "{\"records\":[{\"kind\":\"evm\",\"address\":\"0x0000000000000000000000000000000000000001\"},{\"kind\":\"solana\",\"address\":\"11111111111111111111111111111111\"}]}"
}{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"type": "object",
"additionalProperties": false,
"minProperties": 1,
"maxProperties": 1,
"required": [
"multichain_profile_request"
],
"properties": {
"multichain_profile_request": {
"type": "string",
"minLength": 2,
"maxLength": 65536
}
}
}Illustrative output from the canonical adapter fixture and schema. It is not a completed paid execution or a current live observation.
{
"service_id": "multichain_address_profile",
"evidence_scope": "caller_supplied_data",
"multichain_address_profile": "{\"invalid\":0,\"records\":[{\"index\":0,\"kind\":\"evm\",\"normalized\":\"0x0000000000000000000000000000000000000001\",\"valid\":true},{\"index\":1,\"kind\":\"solana\",\"normalized\":\"11111111111111111111111111111111\",\"valid\":true}],\"total\":2,\"valid\":2}",
"warnings": [
"Profile uses supplied records only and is not a balance or activity lookup."
]
}{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"type": "object",
"additionalProperties": false,
"minProperties": 4,
"maxProperties": 4,
"required": [
"service_id",
"evidence_scope",
"multichain_address_profile",
"warnings"
],
"properties": {
"service_id": {
"type": "string",
"const": "multichain_address_profile",
"minLength": 26,
"maxLength": 26
},
"evidence_scope": {
"type": "string",
"const": "caller_supplied_data",
"minLength": 20,
"maxLength": 20
},
"multichain_address_profile": {
"type": "string",
"minLength": 1,
"maxLength": 65536
},
"warnings": {
"type": "array",
"minItems": 1,
"maxItems": 8,
"items": {
"type": "string",
"minLength": 1,
"maxLength": 512
}
}
}
}Timeout: 5000 ms. Full schemas are in OpenAPI.
This schema-valid request returns the canonical HTTP 402 challenge without executing the service. A payment-capable client validates the challenge, signs only with prior authority and budget, and retries the identical body.
curl -i -X POST https://signalharness.ai/api/agent/services/multichain_address_profile/invoke \
-H "Content-Type: application/json" \
--data '{"multichain_profile_request":"{\"records\":[{\"kind\":\"evm\",\"address\":\"0x0000000000000000000000000000000000000001\"},{\"kind\":\"solana\",\"address\":\"11111111111111111111111111111111\"}]}"}'