Cross-Chain API
To facilitate querying cross chain transactions between BNB Beacon Chain and BNB Smart Chain, following APIs are provided.
Mainnet base path: https://api.bnbchain.org
Version: 1.0.0
/cross_chain/v1/transfer_in_txs?address={address}​
GET
Summary​
Query transfer in cross chain transactions.
Parameters​
| Name | Located in | Description | Required | Schema |
|---|
| address | query | BNB Beacon Chain address or BNB Smart Chain address | Yes | string |
| page | query | page number | No | int |
| page_size | query | page size | No | int |
Responses​
| Code | Description | Schema |
|---|
| 200 | OK | TransferIns |
| 401 | Unauthorized | |
| 403 | Forbidden | |
/cross_chain/v1/transfer_out_txs?address={address}​
GET
Summary​
Query transfer-out cross chain transactions.
Parameters​
| Name | Located in | Description | Required | Schema |
|---|
| address | query | BNB Beacon Chain address or BNB Smart Chain address | Yes | string |
| page | query | page number | No | int |
| page_size | query | page size | No | int |
Responses​
| Code | Description | Schema |
|---|
| 200 | OK | TransferOuts |
| 401 | Unauthorized | |
| 403 | Forbidden | |
/cross_chain/v1/tx/{tx_hash}​
GET
Summary​
Query cross chain transaction on target chain by transaction hash.
Parameters​
| Name | Located in | Description | Required | Schema |
|---|
| tx_hash | query | BNB Smart Chain transaction hash | Yes | string |
Responses​
| Code | Description | Schema |
|---|
| 200 | OK | Tx |
| 401 | Unauthorized | |
| 403 | Forbidden | |
/cross_chain/v1/reverse_tx/{tx_hash}​
GET
Summary​
Query source transaction (the transaction on the other chain) by the transaction hash on target chain.
Parameters​
| Name | Located in | Description | Required | Schema |
|---|
| tx_hash | query | BNB Beacon Chain transaction hash | Yes | string |
Responses​
| Code | Description | Schema |
|---|
| 200 | OK | ReverseTx |
| 401 | Unauthorized | |
| 403 | Forbidden | |
| Name | Type | Description | Required |
|---|
| has_refund | boolean | whether the transaction has been refunded | Yes |
| cross_chain_tx_hash | string | transaction hash on the other chain | Yes |
| refund_tx_hash | string | refund transaction hash if exists | No |
ReverseTx​
| Name | Type | Description | Required |
|---|
| original_chain_tx_hash | string | source transaction hash on the other chain | Yes |
TransferIns​
| Name | Type | Description | Required |
|---|
| page | int | page number | Yes |
| page_size | int | page size | Yes |
| total_count | int | total transactions | Yes |
| transfer_in_txs | array | transfer-in transaction hashes | Yes |
| original_txs | array | the corresponding source transaction hashes | Yes |
TransferOuts​
| Name | Type | Description | Required |
|---|
| page | int | page number | Yes |
| page_size | int | page size | Yes |
| total_count | int | total transactions | Yes |
| transfer_out_txs | array | transfer-out transaction hashes | Yes |
| original_txs | array | the corresponding source transaction hashes | Yes |