Body Parameters

tx

string

REQUIRED

The transaction hash in hexadecimal format

Returns

resultType

string

Retuns either DispatchOutcome if the transaction is valid or TransactionValidityError if the result is invalid.

result

string

If there was an error it will be the cause of the error. If the transaction executed correctly it will be `Ok'

validityErrorType

string

Specifies the type of error encountered. It can be one of these - InvalidTransaction or UnknownTransaction

Request

1
# AssetHub (default) - for transaction dry-run on AssetHub parachain
2
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/transaction/dry-run' \
3
--header 'Content-Type: application/json' \
4
--header 'Accept: application/json' \
5
--data '{
6
  "tx": "YOUR_TRANSACTION"
7
}'
8

9
# Polkadot Relaychain - for transaction dry-run on Relaychain (requires /rc prefix)
10
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/rc/transaction/dry-run' \
11
--header 'Content-Type: application/json' \
12
--header 'Accept: application/json' \
13
--data '{
14
  "tx": "YOUR_TRANSACTION"
15
}'

1
# AssetHub (default) - for transaction dry-run on AssetHub parachain
2
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/transaction/dry-run' \
3
--header 'Content-Type: application/json' \
4
--header 'Accept: application/json' \
5
--data '{
6
  "tx": "YOUR_TRANSACTION"
7
}'
8

9
# Polkadot Relaychain - for transaction dry-run on Relaychain (requires /rc prefix)
10
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/rc/transaction/dry-run' \
11
--header 'Content-Type: application/json' \
12
--header 'Accept: application/json' \
13
--data '{
14
  "tx": "YOUR_TRANSACTION"
15
}'

1
// For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
2

3
const myHeaders = new Headers();
4
myHeaders.append("Content-Type", "application/json");
5
myHeaders.append("Accept", "application/json");
6

7
const raw = JSON.stringify({
8
  "tx": "YOUR_TRANSACTION"
9
});
10

11
const requestOptions = {
12
  method: "POST",
13
  headers: myHeaders,
14
  body: raw,
15
  redirect: "follow"
16
};
17

18
fetch("{(url}}transaction/dry-run", requestOptions)
19
  .then((response) => response.text())
20
  .then((result) => console.log(result))
21
  .catch((error) => console.error(error));

1
// For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
2

3
const myHeaders = new Headers();
4
myHeaders.append("Content-Type", "application/json");
5
myHeaders.append("Accept", "application/json");
6

7
const raw = JSON.stringify({
8
  "tx": "YOUR_TRANSACTION"
9
});
10

11
const requestOptions = {
12
  method: "POST",
13
  headers: myHeaders,
14
  body: raw,
15
  redirect: "follow"
16
};
17

18
fetch("{(url}}transaction/dry-run", requestOptions)
19
  .then((response) => response.text())
20
  .then((result) => console.log(result))
21
  .catch((error) => console.error(error));

1
import requests
2
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
3

4
import json
5

6
url = "{(url}}transaction/dry-run"
7

8
payload = json.dumps({
9
  "tx": "YOUR_TRANSACTION"
10
})
11
headers = {
12
  'Content-Type': 'application/json',
13
  'Accept': 'application/json'
14
}
15

16
response = requests.request("POST", url, headers=headers, data=payload)
17

18
print(response.text)
19

1
import requests
2
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
3

4
import json
5

6
url = "{(url}}transaction/dry-run"
7

8
payload = json.dumps({
9
  "tx": "YOUR_TRANSACTION"
10
})
11
headers = {
12
  'Content-Type': 'application/json',
13
  'Accept': 'application/json'
14
}
15

16
response = requests.request("POST", url, headers=headers, data=payload)
17

18
print(response.text)
19

1
require "uri"
2
require "json"
3
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
4

5
require "net/http"
6

7
url = URI("{(url}}transaction/dry-run")
8

9
http = Net::HTTP.new(url.host, url.port);
10
request = Net::HTTP::Post.new(url)
11
request["Content-Type"] = "application/json"
12
request["Accept"] = "application/json"
13
request.body = JSON.dump({
14
  "tx": "YOUR_TRANSACTION"
15
})
16

17
response = http.request(request)
18
puts response.read_body
19

1
require "uri"
2
require "json"
3
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
4

5
require "net/http"
6

7
url = URI("{(url}}transaction/dry-run")
8

9
http = Net::HTTP.new(url.host, url.port);
10
request = Net::HTTP::Post.new(url)
11
request["Content-Type"] = "application/json"
12
request["Accept"] = "application/json"
13
request.body = JSON.dump({
14
  "tx": "YOUR_TRANSACTION"
15
})
16

17
response = http.request(request)
18
puts response.read_body
19

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