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POST
/
api
/
v3
/
rate
/
crypto-bridge
Get Crypto Bridge rate quote
curl --request POST \
  --url https://sandbox-api.kotanipay.com/api/v3/rate/crypto-bridge \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "source_currency": "KES",
  "source_amount": 1000,
  "crypto_chain": "LIGHTNING",
  "crypto_token": "MSAT",
  "requested_crypto_amount": 150000000
}
'
{
  "success": true,
  "message": "Crypto bridge rate quote generated successfully.",
  "data": {
    "rate_id": "RATE-CB-1732454321-XYZ123",
    "source_amount": 1000,
    "source_currency": "KES",
    "crypto_amount": 150000000,
    "crypto_unit": "msat",
    "chain": "LIGHTNING",
    "token": "MSAT",
    "exchange_rate": {
      "fiat_to_btc": "0.00000015",
      "btc_to_msat": 100000000,
      "exchange_rate_source": "COINBASE"
    },
    "fees": {
      "fiat_fee": 15,
      "fiat_fee_currency": "KES",
      "crypto_fee": 1000,
      "crypto_fee_unit": "sats",
      "fee_percentage": 1.5
    },
    "total_cost": 1015,
    "net_crypto_amount": 149000000,
    "expires_at": "2024-11-24T12:01:00Z",
    "created_at": "2024-11-24T12:00:00Z"
  }
}
Get an exchange rate quote for a crypto bridge transaction before initiating the deposit. Use this to display the estimated source fiat amount, crypto amount, and destination fiat amount to the customer.

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

application/json
​
source_currency
enum<string>
required

Source fiat currency

Available options:
KES,
GHS,
NGN,
ZAR,
ZAR,
USD,
XOF,
ZMW,
XAF,
SLE,
CDF,
TZS,
UGX,
EGP,
MWK,
RWF,
ETB,
MZN,
LSL,
GNF,
USDT,
BTC,
ETH,
USDC
Example:

"KES"

​
source_amount
number
required

Source fiat amount customer will pay

Example:

1000

​
crypto_chain
enum<string>
required

Blockchain/network to use

Available options:
CELO,
ETHEREUM,
ARBITRUM,
AVALANCHE,
BINANCE,
POLYGON,
OPTIMISM,
FUSE,
TRON,
PROVENANCE,
SOLANA,
HEDERA,
STELLAR,
BASE,
LISK,
VICTION,
SCROLL,
LIGHTNING
Example:

"LIGHTNING"

​
crypto_token
enum<string>
required

Crypto token to use

Available options:
CUSD,
USDC,
USDT,
BUSD,
HASH,
HBAR,
USDGLO,
CKES,
CGHS,
MSAT
Example:

"MSAT"

​
requested_crypto_amount
number

Requested crypto amount (optional - for validation)

Example:

150000000

Response

​
success
boolean
Example:

true

​
message
string
Example:

"Crypto bridge rate quote generated successfully."

​
data
object