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POST
Validate Address
Auth method: Signed (HMAC) — this endpoint requires the full set of signed headers: x-access-id, x-request-id, x-timestamp, and an HMAC-SHA256 authorization signature. See Authentication.
Checks the format of an address for one network. Use it to validate a receiver before you call Transfer Funds.

Example

Headers

string
required
Base64-encoded HMAC-SHA256 signature of {"timeStamp":"<x-timestamp>","requestId":"<x-request-id>","accessId":"<x-access-id>"}, signed with your access secret. The request body is not part of the signature.Example: "pV3n0o8kq0lK2mJ8bZ1yq3Yt6hR0cXK9u4mVJ2l9sE0="
string
required
ISO 8601 timestamp; must be within 5 minutes of server timeExample: "2026-10-15T09:45:53.000Z"
string
required
A unique UUID v4 per requestExample: "550e8400-e29b-41d4-a716-446655440000"
string
required
Your API access IDExample: "your-access-id-here"
string
required
Example: "application/json"

Body

string
required
The address to validate.Example: "TABCef..."
string | string[]
required
The network to validate against: EVM, TRON or BTC (the aliases ethereum, eth, trx and bitcoin are also accepted). Send a single value. An array is accepted for compatibility, but only a one-element array is validated reliably. Send an empty string to let Tender infer the network from the address format.Example: "TRON"

Response

string
required
Example: "success"
string
required
Example: "success"
object
required

Error responses

Authorizations

authorization
string
header
required

Signed (HMAC) authentication. Required headers: x-access-id, x-request-id (UUID v4), x-timestamp (ISO 8601, must be within 5 minutes of server time), and authorization: the Base64 HMAC-SHA256 of the JSON string {"timeStamp":"","requestId":"","accessId":""} (keys in that order, no whitespace) using your access secret. The request body, method and path are not signed. The API key must be linked to an outlet.

Headers

authorization
string
required

Base64-encoded HMAC-SHA256 signature of {"timeStamp":"","requestId":"","accessId":""}, signed with your access secret. The request body is not part of the signature.

x-timestamp
string<date-time>
required

ISO 8601 timestamp; must be within 5 minutes of server time

x-request-id
string<uuid>
required

A unique UUID v4 per request

x-access-id
string
required
Content-Type
string
required

Body

application/json
address
string
required
Example:

"TABCef..."

networks
required

A single network: EVM, TRON or BTC. Empty string infers the network from the address. Arrays are accepted for compatibility; only one element is validated reliably.

Example:

"TRON"

Response

Validation result

status
string
required
Example:

"success"

message
string
required
Example:

"success"

data
object
required