Bridge cNGN

Bridge (swap) your cNGN between supported blockchains. This allows you to move your cNGN from one blockchain network to another.

Bridge cNGN

POST https://api.cngn.co/v1/api/bridge

Initiates a cross-chain bridge of cNGN tokens. The request body must be AES encrypted.

Request Body

Name	Type	Description
destinationNetworkId*	string	The ID of the destination blockchain network.
destinationAddress*	string	Your wallet address on the destination network.
originNetworkId*	string	The ID of the origin blockchain network.
senderAddress	string	Your wallet address on the origin network.
callbackUrl	string	URL to receive webhook notifications about the bridge status. Must be a valid URL.

200 Swap was successfully

{
  "status": 200,
  "message": "Swap was successfully",
  "data": {
    "receivableAddress": "0xabc123def456789...",
    "transactionId": "brg-20250615-GHI789",
    "reference": "REF-20250615-JKL012"
  }
}

400 Invalid request

Encryption Required: The request body must be encrypted using AES-256-CBC before sending. See the Encrypting / Decrypting Request section. Note: You can get network id by calling the supported networks endpoint:

Response Fields (Decrypted)

Field	Type	Description
receivableAddress	string	Address to send your cNGN to on the origin network
transactionId	string	Unique bridge transaction identifier
reference	string	Reference for tracking the bridge operation

Example Request

The request body should be encrypted. Below shows the plaintext payload before encryption:

{
  "destinationNetworkId": "clx1destnet456",
  "destinationAddress": "0x9876543210fedcba9876543210fedcba98765432",
  "originNetworkId": "clx1orignet789",
  "senderAddress": "0x1234567890abcdef1234567890abcdef12345678",
  "callbackUrl": "https://yourapp.com/webhooks/bridge"
}

Encrypted request:

curl -X POST https://api.cngn.co/v1/api/bridge \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "content": "BASE64_ENCRYPTED_CONTENT",
    "iv": "BASE64_IV"
  }'