| type | Type of callback <string> Available: incoming_payment, top_up |
| uuid | Payment UUID <string> |
| shop_uuid | Shop UUID <string> |
| shop | Shop name <string> |
| reference | Payment reference string provided by shop <string> |
| price_blockchain | Blockchain for price <string> Available: Binance Smart Chain, Ethereum, Fiat, Polygon, Tron |
| price_currency | Currency code for price <string> Available: BNB, CAD, ETH, EUR, INR, POL, TRX, USD, USDC, USDT |
| price | Price amount <decimal (36,18)> |
| fee | Fee paid <decimal (36,18)> |
| price_fee | Fee amount in the invoice currency <decimal (36,18)> For completed payments. Calculated at the time of payment |
| status | Payment status <string> Available: created, pending, completed, failed |
| from_wallet | Payer wallet address <string> |
| payment_blockchain | Blockchain of payment sent <string> Available: Binance Smart Chain, Ethereum, Polygon, Tron |
| payment_currency | Currency of payment sent <string> Available: BNB, ETH, POL, TRX, USDC, USDT |
| payment_amount | The amount, in the payment currency, that the user was required to pay <decimal (36,18)> |
| payment_amount_real | Amount really paid <decimal (36,18)> |
| payment_exchange_rate | Payment exchange rate (payment currency to price currency) <decimal (36,18)> For completed payments. Calculated at the time of payment |
| price_amount_real | Amount really paid, in the invoice currency <decimal (36,18)> For completed payments. Calculated at the time of payment |
| address | Address of wallet which receives the payment <decimal (36,18)> |
| tx | TX of completed payment <string> |
| userfields | Additional fields willed by payer <json> |
| prefilled | Arbitrary fields passed by your shop to be related to the payment and returned in callbacks <json> |
| success_url | Success URL to redirect payer after this payment <string> |
| fail_url | Fail URL to redirect payer after this payment <string> |
| date_created | Invoice creation date (UTC) <date> Example: 2025-12-18 15:07:03 |
| date_payed | Payment creation date (UTC) <date> Example: 2025-12-18 15:07:03 |
| date_expired | Payment expiration date (UTC) <date> Example: 2025-12-18 15:07:03 |
| signature | Signature created from several fields values (payment UUID, shop UUID, incoming API key, payment reference, price blockchain, price currency, price amount, status) concatenated and encrypted with SHA256 <string> |