import cobo_waas2
from cobo_waas2.models.broadcast_signed_transactions201_response_inner import (
BroadcastSignedTransactions201ResponseInner,
)
from cobo_waas2.models.broadcast_signed_transactions_request import (
BroadcastSignedTransactionsRequest,
)
from cobo_waas2.rest import ApiException
from pprint import pprint
# See configuration.py for a list of all supported configurations.
configuration = cobo_waas2.Configuration(
# Replace `<YOUR_PRIVATE_KEY>` with your private key
api_private_key="<YOUR_PRIVATE_KEY>",
# Select the development environment. To use the production environment, change the URL to https://api.cobo.com/v2.
host="https://api.dev.cobo.com/v2",
)
# Enter a context with an instance of the API client
with cobo_waas2.ApiClient(configuration) as api_client:
# Create an instance of the API class
api_instance = cobo_waas2.TransactionsApi(api_client)
broadcast_signed_transactions_request = (
cobo_waas2.BroadcastSignedTransactionsRequest()
)
try:
# Broadcast signed transactions
api_response = api_instance.broadcast_signed_transactions(
broadcast_signed_transactions_request=broadcast_signed_transactions_request
)
print("The response of TransactionsApi->broadcast_signed_transactions:\n")
pprint(api_response)
except Exception as e:
print(
"Exception when calling TransactionsApi->broadcast_signed_transactions: %s\n"
% e
)
// Import classes:
import com.cobo.waas2.ApiClient;
import com.cobo.waas2.ApiException;
import com.cobo.waas2.Configuration;
import com.cobo.waas2.Env;
import com.cobo.waas2.api.TransactionsApi;
import com.cobo.waas2.model.*;
public class Example {
public static void main(String[] args) {
ApiClient defaultClient = Configuration.getDefaultApiClient();
// Select the development environment. To use the production environment, replace `Env.DEV` with
// `Env.PROD
defaultClient.setEnv(Env.DEV);
// Replace `<YOUR_PRIVATE_KEY>` with your private key
defaultClient.setPrivKey("<YOUR_PRIVATE_KEY>");
TransactionsApi apiInstance = new TransactionsApi();
BroadcastSignedTransactionsRequest broadcastSignedTransactionsRequest =
new BroadcastSignedTransactionsRequest();
try {
List<BroadcastSignedTransactions201ResponseInner> result =
apiInstance.broadcastSignedTransactions(broadcastSignedTransactionsRequest);
System.out.println(result);
} catch (ApiException e) {
System.err.println("Exception when calling TransactionsApi#broadcastSignedTransactions");
System.err.println("Status code: " + e.getCode());
System.err.println("Reason: " + e.getResponseBody());
System.err.println("Response headers: " + e.getResponseHeaders());
e.printStackTrace();
}
}
}
package main
import (
"context"
"fmt"
coboWaas2 "github.com/CoboGlobal/cobo-waas2-go-sdk/cobo_waas2"
"github.com/CoboGlobal/cobo-waas2-go-sdk/cobo_waas2/crypto"
"os"
)
func main() {
broadcastSignedTransactionsRequest := *coboWaas2.NewBroadcastSignedTransactionsRequest()
configuration := coboWaas2.NewConfiguration()
// Initialize the API client
apiClient := coboWaas2.NewAPIClient(configuration)
ctx := context.Background()
// Select the development environment. To use the production environment, replace coboWaas2.DevEnv with coboWaas2.ProdEnv
ctx = context.WithValue(ctx, coboWaas2.ContextEnv, coboWaas2.DevEnv)
// Replace `<YOUR_PRIVATE_KEY>` with your private key
ctx = context.WithValue(ctx, coboWaas2.ContextPortalSigner, crypto.Ed25519Signer{
Secret: "<YOUR_PRIVATE_KEY>",
})
resp, r, err := apiClient.TransactionsAPI.BroadcastSignedTransactions(ctx).
BroadcastSignedTransactionsRequest(broadcastSignedTransactionsRequest).
Execute()
if err != nil {
fmt.Fprintf(
os.Stderr,
"Error when calling `TransactionsAPI.BroadcastSignedTransactions``: %v\n",
err,
)
fmt.Fprintf(os.Stderr, "Full HTTP response: %v\n", r)
}
// response from `BroadcastSignedTransactions`: []BroadcastSignedTransactions201ResponseInner
fmt.Fprintf(
os.Stdout,
"Response from `TransactionsAPI.BroadcastSignedTransactions`: %v\n",
resp,
)
}
const CoboWaas2 = require("@cobo/cobo-waas2");
// Initialize the API client
const apiClient = CoboWaas2.ApiClient.instance;
// Select the development environment. To use the production environment, replace `Env.DEV` with `Env.PROD`
apiClient.setEnv(CoboWaas2.Env.DEV);
// Replace `<YOUR_PRIVATE_KEY>` with your private key
apiClient.setPrivateKey("<YOUR_PRIVATE_KEY>");
// Call the API
const apiInstance = new CoboWaas2.TransactionsApi();
const opts = {
BroadcastSignedTransactionsRequest:
new CoboWaas2.BroadcastSignedTransactionsRequest(),
};
apiInstance.broadcastSignedTransactions(opts).then(
(data) => {
console.log("API called successfully. Returned data: " + data);
},
(error) => {
console.error(error);
},
);
[
{
"request_id": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
"transaction_id": "c986cb3b-1301-412f-9450-13a52c43a95f"
}
]{
"error_code": 123,
"error_message": "<string>",
"error_id": "0b6ddf19083c4bd1a9ca01bec44b24dd"
}{
"error_code": 123,
"error_message": "<string>",
"error_id": "0b6ddf19083c4bd1a9ca01bec44b24dd"
}Manage transactions
Broadcast signed transactions
This operation broadcasts a list of signed transactions to the blockchain.
You can call this operation for transactions that were signed but not broadcast automatically:
- Transactions created with
transaction_process_typeset toSignOnlyby calling the Transfer token or Call smart contract operation. - Staking transactions created with
auto_broadcastset tofalsewhen creating a staking activity.
A transaction can only be broadcast if its status is Broadcasting.
Broadcasting a transaction created with
transaction_process_type set to SignOnly is only applicable to MPC Wallets and Custodial Wallets (Web3 Wallets).POST
/
transactions
/
broadcast
import cobo_waas2
from cobo_waas2.models.broadcast_signed_transactions201_response_inner import (
BroadcastSignedTransactions201ResponseInner,
)
from cobo_waas2.models.broadcast_signed_transactions_request import (
BroadcastSignedTransactionsRequest,
)
from cobo_waas2.rest import ApiException
from pprint import pprint
# See configuration.py for a list of all supported configurations.
configuration = cobo_waas2.Configuration(
# Replace `<YOUR_PRIVATE_KEY>` with your private key
api_private_key="<YOUR_PRIVATE_KEY>",
# Select the development environment. To use the production environment, change the URL to https://api.cobo.com/v2.
host="https://api.dev.cobo.com/v2",
)
# Enter a context with an instance of the API client
with cobo_waas2.ApiClient(configuration) as api_client:
# Create an instance of the API class
api_instance = cobo_waas2.TransactionsApi(api_client)
broadcast_signed_transactions_request = (
cobo_waas2.BroadcastSignedTransactionsRequest()
)
try:
# Broadcast signed transactions
api_response = api_instance.broadcast_signed_transactions(
broadcast_signed_transactions_request=broadcast_signed_transactions_request
)
print("The response of TransactionsApi->broadcast_signed_transactions:\n")
pprint(api_response)
except Exception as e:
print(
"Exception when calling TransactionsApi->broadcast_signed_transactions: %s\n"
% e
)
// Import classes:
import com.cobo.waas2.ApiClient;
import com.cobo.waas2.ApiException;
import com.cobo.waas2.Configuration;
import com.cobo.waas2.Env;
import com.cobo.waas2.api.TransactionsApi;
import com.cobo.waas2.model.*;
public class Example {
public static void main(String[] args) {
ApiClient defaultClient = Configuration.getDefaultApiClient();
// Select the development environment. To use the production environment, replace `Env.DEV` with
// `Env.PROD
defaultClient.setEnv(Env.DEV);
// Replace `<YOUR_PRIVATE_KEY>` with your private key
defaultClient.setPrivKey("<YOUR_PRIVATE_KEY>");
TransactionsApi apiInstance = new TransactionsApi();
BroadcastSignedTransactionsRequest broadcastSignedTransactionsRequest =
new BroadcastSignedTransactionsRequest();
try {
List<BroadcastSignedTransactions201ResponseInner> result =
apiInstance.broadcastSignedTransactions(broadcastSignedTransactionsRequest);
System.out.println(result);
} catch (ApiException e) {
System.err.println("Exception when calling TransactionsApi#broadcastSignedTransactions");
System.err.println("Status code: " + e.getCode());
System.err.println("Reason: " + e.getResponseBody());
System.err.println("Response headers: " + e.getResponseHeaders());
e.printStackTrace();
}
}
}
package main
import (
"context"
"fmt"
coboWaas2 "github.com/CoboGlobal/cobo-waas2-go-sdk/cobo_waas2"
"github.com/CoboGlobal/cobo-waas2-go-sdk/cobo_waas2/crypto"
"os"
)
func main() {
broadcastSignedTransactionsRequest := *coboWaas2.NewBroadcastSignedTransactionsRequest()
configuration := coboWaas2.NewConfiguration()
// Initialize the API client
apiClient := coboWaas2.NewAPIClient(configuration)
ctx := context.Background()
// Select the development environment. To use the production environment, replace coboWaas2.DevEnv with coboWaas2.ProdEnv
ctx = context.WithValue(ctx, coboWaas2.ContextEnv, coboWaas2.DevEnv)
// Replace `<YOUR_PRIVATE_KEY>` with your private key
ctx = context.WithValue(ctx, coboWaas2.ContextPortalSigner, crypto.Ed25519Signer{
Secret: "<YOUR_PRIVATE_KEY>",
})
resp, r, err := apiClient.TransactionsAPI.BroadcastSignedTransactions(ctx).
BroadcastSignedTransactionsRequest(broadcastSignedTransactionsRequest).
Execute()
if err != nil {
fmt.Fprintf(
os.Stderr,
"Error when calling `TransactionsAPI.BroadcastSignedTransactions``: %v\n",
err,
)
fmt.Fprintf(os.Stderr, "Full HTTP response: %v\n", r)
}
// response from `BroadcastSignedTransactions`: []BroadcastSignedTransactions201ResponseInner
fmt.Fprintf(
os.Stdout,
"Response from `TransactionsAPI.BroadcastSignedTransactions`: %v\n",
resp,
)
}
const CoboWaas2 = require("@cobo/cobo-waas2");
// Initialize the API client
const apiClient = CoboWaas2.ApiClient.instance;
// Select the development environment. To use the production environment, replace `Env.DEV` with `Env.PROD`
apiClient.setEnv(CoboWaas2.Env.DEV);
// Replace `<YOUR_PRIVATE_KEY>` with your private key
apiClient.setPrivateKey("<YOUR_PRIVATE_KEY>");
// Call the API
const apiInstance = new CoboWaas2.TransactionsApi();
const opts = {
BroadcastSignedTransactionsRequest:
new CoboWaas2.BroadcastSignedTransactionsRequest(),
};
apiInstance.broadcastSignedTransactions(opts).then(
(data) => {
console.log("API called successfully. Returned data: " + data);
},
(error) => {
console.error(error);
},
);
[
{
"request_id": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
"transaction_id": "c986cb3b-1301-412f-9450-13a52c43a95f"
}
]{
"error_code": 123,
"error_message": "<string>",
"error_id": "0b6ddf19083c4bd1a9ca01bec44b24dd"
}{
"error_code": 123,
"error_message": "<string>",
"error_id": "0b6ddf19083c4bd1a9ca01bec44b24dd"
}Try Cobo WaaS Skill in your AI coding assistant (Claude Code, Cursor, etc.). Describe your needs in natural language to auto-generate production-ready SDK code and debug faster 🚀
import cobo_waas2
from cobo_waas2.models.broadcast_signed_transactions201_response_inner import (
BroadcastSignedTransactions201ResponseInner,
)
from cobo_waas2.models.broadcast_signed_transactions_request import (
BroadcastSignedTransactionsRequest,
)
from cobo_waas2.rest import ApiException
from pprint import pprint
# See configuration.py for a list of all supported configurations.
configuration = cobo_waas2.Configuration(
# Replace `<YOUR_PRIVATE_KEY>` with your private key
api_private_key="<YOUR_PRIVATE_KEY>",
# Select the development environment. To use the production environment, change the URL to https://api.cobo.com/v2.
host="https://api.dev.cobo.com/v2",
)
# Enter a context with an instance of the API client
with cobo_waas2.ApiClient(configuration) as api_client:
# Create an instance of the API class
api_instance = cobo_waas2.TransactionsApi(api_client)
broadcast_signed_transactions_request = (
cobo_waas2.BroadcastSignedTransactionsRequest()
)
try:
# Broadcast signed transactions
api_response = api_instance.broadcast_signed_transactions(
broadcast_signed_transactions_request=broadcast_signed_transactions_request
)
print("The response of TransactionsApi->broadcast_signed_transactions:\n")
pprint(api_response)
except Exception as e:
print(
"Exception when calling TransactionsApi->broadcast_signed_transactions: %s\n"
% e
)
// Import classes:
import com.cobo.waas2.ApiClient;
import com.cobo.waas2.ApiException;
import com.cobo.waas2.Configuration;
import com.cobo.waas2.Env;
import com.cobo.waas2.api.TransactionsApi;
import com.cobo.waas2.model.*;
public class Example {
public static void main(String[] args) {
ApiClient defaultClient = Configuration.getDefaultApiClient();
// Select the development environment. To use the production environment, replace `Env.DEV` with
// `Env.PROD
defaultClient.setEnv(Env.DEV);
// Replace `<YOUR_PRIVATE_KEY>` with your private key
defaultClient.setPrivKey("<YOUR_PRIVATE_KEY>");
TransactionsApi apiInstance = new TransactionsApi();
BroadcastSignedTransactionsRequest broadcastSignedTransactionsRequest =
new BroadcastSignedTransactionsRequest();
try {
List<BroadcastSignedTransactions201ResponseInner> result =
apiInstance.broadcastSignedTransactions(broadcastSignedTransactionsRequest);
System.out.println(result);
} catch (ApiException e) {
System.err.println("Exception when calling TransactionsApi#broadcastSignedTransactions");
System.err.println("Status code: " + e.getCode());
System.err.println("Reason: " + e.getResponseBody());
System.err.println("Response headers: " + e.getResponseHeaders());
e.printStackTrace();
}
}
}
package main
import (
"context"
"fmt"
coboWaas2 "github.com/CoboGlobal/cobo-waas2-go-sdk/cobo_waas2"
"github.com/CoboGlobal/cobo-waas2-go-sdk/cobo_waas2/crypto"
"os"
)
func main() {
broadcastSignedTransactionsRequest := *coboWaas2.NewBroadcastSignedTransactionsRequest()
configuration := coboWaas2.NewConfiguration()
// Initialize the API client
apiClient := coboWaas2.NewAPIClient(configuration)
ctx := context.Background()
// Select the development environment. To use the production environment, replace coboWaas2.DevEnv with coboWaas2.ProdEnv
ctx = context.WithValue(ctx, coboWaas2.ContextEnv, coboWaas2.DevEnv)
// Replace `<YOUR_PRIVATE_KEY>` with your private key
ctx = context.WithValue(ctx, coboWaas2.ContextPortalSigner, crypto.Ed25519Signer{
Secret: "<YOUR_PRIVATE_KEY>",
})
resp, r, err := apiClient.TransactionsAPI.BroadcastSignedTransactions(ctx).
BroadcastSignedTransactionsRequest(broadcastSignedTransactionsRequest).
Execute()
if err != nil {
fmt.Fprintf(
os.Stderr,
"Error when calling `TransactionsAPI.BroadcastSignedTransactions``: %v\n",
err,
)
fmt.Fprintf(os.Stderr, "Full HTTP response: %v\n", r)
}
// response from `BroadcastSignedTransactions`: []BroadcastSignedTransactions201ResponseInner
fmt.Fprintf(
os.Stdout,
"Response from `TransactionsAPI.BroadcastSignedTransactions`: %v\n",
resp,
)
}
const CoboWaas2 = require("@cobo/cobo-waas2");
// Initialize the API client
const apiClient = CoboWaas2.ApiClient.instance;
// Select the development environment. To use the production environment, replace `Env.DEV` with `Env.PROD`
apiClient.setEnv(CoboWaas2.Env.DEV);
// Replace `<YOUR_PRIVATE_KEY>` with your private key
apiClient.setPrivateKey("<YOUR_PRIVATE_KEY>");
// Call the API
const apiInstance = new CoboWaas2.TransactionsApi();
const opts = {
BroadcastSignedTransactionsRequest:
new CoboWaas2.BroadcastSignedTransactionsRequest(),
};
apiInstance.broadcastSignedTransactions(opts).then(
(data) => {
console.log("API called successfully. Returned data: " + data);
},
(error) => {
console.error(error);
},
);
Authorizations
CoboAuthOAuth2
The API key. For more details, refer to API key.
In the API playground, enter your API secret, and your API key will be accordingly calculated.
Body
application/json
The request body to broadcast a list of signed transactions.
The transaction IDs of the signed transactions to be broadcast. You can retrieve the transaction IDs by calling List all transactions, or, for the transactions corresponding to a staking activity, by calling Get staking activity details.
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