/transaction/dry-run REST API Endpoint

Body Parameters

tx

string

REQUIRED

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Returns

resultType

string

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result

string

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validityErrorType

string

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Request

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

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' \
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--header 'Content-Type: application/json' \
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--header 'Accept: application/json' \
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--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");
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myHeaders.append("Accept", "application/json");
6

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

11
const requestOptions = {
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  method: "POST",
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  headers: myHeaders,
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  body: raw,
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  redirect: "follow"
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};
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fetch("{(url}}transaction/dry-run", requestOptions)
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  .then((response) => response.text())
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  .then((result) => console.log(result))
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  .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",
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  headers: myHeaders,
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  body: raw,
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  redirect: "follow"
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};
17

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fetch("{(url}}transaction/dry-run", requestOptions)
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  .then((response) => response.text())
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  .then((result) => console.log(result))
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  .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({
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  "tx": "YOUR_TRANSACTION"
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})
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headers = {
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  'Content-Type': 'application/json',
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  'Accept': 'application/json'
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}
15

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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',
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  'Accept': 'application/json'
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}
15

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

18
print(response.text)
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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);
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request = Net::HTTP::Post.new(url)
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request["Content-Type"] = "application/json"
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request["Accept"] = "application/json"
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request.body = JSON.dump({
14
  "tx": "YOUR_TRANSACTION"
15
})
16

17
response = http.request(request)
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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"
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request.body = JSON.dump({
14
  "tx": "YOUR_TRANSACTION"
15
})
16

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

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