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Kaito Users API/
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List wallets

Kaito Users API (2.0.0)

User management: Identity verification, Wallets, and Directory services.

Identity (KYC/KYB): KYC for individual verification, KYB for company verification.

Wallets: Custodial wallet management with key material. Supports Ethereum, Polygon, Solana, Bitcoin.

Directory: Resolve handles, phones, addresses to destinations. Register handles and manage contact books.

Download OpenAPI description
users.json
users.yaml
Overview
URL
https://developer.kai2.io/support
Kaito Developer Support
support@kai2.io
License
Apache 2.0
Terms of Service
Languages
Servers
Mock server
https://developer.kaito.io/_mock/users/
Production
https://api.kai2.io/
Sandbox
https://sandbox.api.kai2.io/

Identity

KYC/KYB verification

Operations

Wallets

Custodial wallet management

Operations

Create custodial wallet

Request

Creates a wallet and returns key material. Store secrets securely.

Security
oAuth2
Headers
Idempotency-Keystring
Bodyapplication/jsonrequired
ownerRefstringrequired
Example: "usr_12345"
networkstring(Network)required
Enum"ethereum""polygon""solana""bitcoin"
custodyModelstring
Default "custodial"
Value"custodial"
curl -i -X POST \
  https://developer.kaito.io/_mock/users/v1/wallets \
  -H 'Authorization: Bearer <YOUR_TOKEN_HERE>' \
  -H 'Content-Type: application/json' \
  -H 'Idempotency-Key: string' \
  -d '{
    "ownerRef": "usr_12345",
    "network": "ethereum",
    "custodyModel": "custodial"
  }'

Responses

Wallet created

Bodyapplication/json
walletobject(Wallet)required
wallet.​walletIdstringrequired
Example: "wlt_01JH..."
wallet.​addressstringrequired
wallet.​networkstring(Network)required
Enum"ethereum""polygon""solana""bitcoin"
wallet.​custodyModelstring
Value"custodial"
wallet.​createdAtstring(date-time)required
secretsobject(WalletSecrets)required
secrets.​addressstring
secrets.​privateKeystring
secrets.​mnemonicstring
Response
application/json
{
  "wallet": {
    "walletId": "wlt_01JH...",
    "address": "string",
    "network": "ethereum",
    "custodyModel": "custodial",
    "createdAt": "2019-08-24T14:15:22Z"
  },
  "secrets": {
    "address": "string",
    "privateKey": "string",
    "mnemonic": "string"
  }
}

List wallets

Request

Security
oAuth2
Query
ownerRefstring
networkstring(Network)
Enum"ethereum""polygon""solana""bitcoin"
limitinteger
Default 50
cursorstring
curl -i -X GET \
  'https://developer.kaito.io/_mock/users/v1/wallets?ownerRef=string&network=ethereum&limit=50&cursor=string' \
  -H 'Authorization: Bearer <YOUR_TOKEN_HERE>'

Responses

Wallets list

Bodyapplication/json
itemsArray of objects(Wallet)
paginationobject(Pagination)
Response
application/json
{
  "items": [
    { … }
  ],
  "pagination": {
    "nextCursor": "string"
  }
}

Get wallet by ID

Request

Security
oAuth2
Path
walletIdstringrequired
curl -i -X GET \
  'https://developer.kaito.io/_mock/users/v1/wallets/{walletId}' \
  -H 'Authorization: Bearer <YOUR_TOKEN_HERE>'

Responses

Wallet details

Bodyapplication/json
walletIdstringrequired
Example: "wlt_01JH..."
addressstringrequired
networkstring(Network)required
Enum"ethereum""polygon""solana""bitcoin"
custodyModelstring
Value"custodial"
createdAtstring(date-time)required
Response
application/json
{
  "walletId": "wlt_01JH...",
  "address": "string",
  "network": "ethereum",
  "custodyModel": "custodial",
  "createdAt": "2019-08-24T14:15:22Z"
}

Resolution

Resolve identifiers to destinations

Operations

Handles

Manage handle registrations

Operations

Contacts

Manage contact book

Operations