Skip to content
CCPEDIAby Unity Nodes
Documentation/Canton Network Docs/Splice APIsToken Standard APIsAllocation V2 APIView on Canton Network Docs ↗

POST /registry/allocations/v2/:allocationId/choice-contexts/cancel

POST
/
registry
/
allocations
/
v2
/
{allocationId}
/
choice-contexts
/
cancel
Try it
cURL
Python
JavaScript
PHP
Go
Java
Ruby
curl --request POST \
  --url 'https://example.com/registry/allocations/v2/{allocationId}/choice-contexts/cancel' \
  --header 'Content-Type: application/json' \
  --data '{
  "meta": {},
  "excludeDebugFields": false
}'
import json
import requests

url = "https://example.com/registry/allocations/v2/{allocationId}/choice-contexts/cancel"
headers = {'Content-Type': 'application/json'}
payload = json.loads(r'''{
  "meta": {},
  "excludeDebugFields": false
}''')
response = requests.request(
    "POST", url, headers=headers, json=payload
)

print(response.text)
const response = await fetch('https://example.com/registry/allocations/v2/{allocationId}/choice-contexts/cancel', {
  method: 'POST',
  headers: {
  "Content-Type": "application/json"
},
  body: JSON.stringify({
  "meta": {},
  "excludeDebugFields": false
}),
});

console.log(await response.text());
<?php
$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => 'https://example.com/registry/allocations/v2/{allocationId}/choice-contexts/cancel',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_CUSTOMREQUEST => 'POST',
    CURLOPT_POSTFIELDS => <<<'JSON'
{
  "meta": {},
  "excludeDebugFields": false
}
JSON,
    CURLOPT_HTTPHEADER => [
        "Content-Type: application/json"
    ],
]);

$response = curl_exec($curl);
echo $response;
package main

import (
  "bytes"
  "fmt"
  "io"
  "net/http"
)

func main() {
  req, _ := http.NewRequest("POST", "https://example.com/registry/allocations/v2/{allocationId}/choice-contexts/cancel", bytes.NewBufferString(`{
  "meta": {},
  "excludeDebugFields": false
}`))
  req.Header.Set("Content-Type", "application/json")
  response, _ := http.DefaultClient.Do(req)
  defer response.Body.Close()
  body, _ := io.ReadAll(response.Body)
  fmt.Println(string(body))
}
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

var request = HttpRequest.newBuilder()
    .uri(URI.create("https://example.com/registry/allocations/v2/{allocationId}/choice-contexts/cancel"))
    .header("Content-Type", "application/json")
    .method("POST", HttpRequest.BodyPublishers.ofString("""
{
  "meta": {},
  "excludeDebugFields": false
}
"""))
    .build();
var response = HttpClient.newHttpClient().send(
    request, HttpResponse.BodyHandlers.ofString());
System.out.println(response.body());
require 'net/http'
require 'uri'

uri = URI('https://example.com/registry/allocations/v2/{allocationId}/choice-contexts/cancel')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = <<~JSON
{
  "meta": {},
  "excludeDebugFields": false
}
JSON
response = Net::HTTP.start(uri.hostname, uri.port) do |http|
  http.request(request)
end
puts response.body
200
400
404
409
{
  "choiceContextData": {},
  "disclosedContracts": [
    {
      "templateId": "<string>",
      "contractId": "<string>",
      "createdEventBlob": "<string>",
      "synchronizerId": "<string>",
      "debugPackageName": "<string>",
      "debugPayload": {},
      "debugCreatedAt": "2026-01-01T00:00:00Z"
    }
  ]
}
{
  "error": "<string>"
}
{
  "error": "<string>"
}
{
  "error": "<string>"
}

Get the choice context to cancel an allocation.

cURL
Python
JavaScript
PHP
Go
Java
Ruby
curl --request POST \
  --url 'https://example.com/registry/allocations/v2/{allocationId}/choice-contexts/cancel' \
  --header 'Content-Type: application/json' \
  --data '{
  "meta": {},
  "excludeDebugFields": false
}'
import json
import requests

url = "https://example.com/registry/allocations/v2/{allocationId}/choice-contexts/cancel"
headers = {'Content-Type': 'application/json'}
payload = json.loads(r'''{
  "meta": {},
  "excludeDebugFields": false
}''')
response = requests.request(
    "POST", url, headers=headers, json=payload
)

print(response.text)
const response = await fetch('https://example.com/registry/allocations/v2/{allocationId}/choice-contexts/cancel', {
  method: 'POST',
  headers: {
  "Content-Type": "application/json"
},
  body: JSON.stringify({
  "meta": {},
  "excludeDebugFields": false
}),
});

console.log(await response.text());
<?php
$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => 'https://example.com/registry/allocations/v2/{allocationId}/choice-contexts/cancel',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_CUSTOMREQUEST => 'POST',
    CURLOPT_POSTFIELDS => <<<'JSON'
{
  "meta": {},
  "excludeDebugFields": false
}
JSON,
    CURLOPT_HTTPHEADER => [
        "Content-Type: application/json"
    ],
]);

$response = curl_exec($curl);
echo $response;
package main

import (
  "bytes"
  "fmt"
  "io"
  "net/http"
)

func main() {
  req, _ := http.NewRequest("POST", "https://example.com/registry/allocations/v2/{allocationId}/choice-contexts/cancel", bytes.NewBufferString(`{
  "meta": {},
  "excludeDebugFields": false
}`))
  req.Header.Set("Content-Type", "application/json")
  response, _ := http.DefaultClient.Do(req)
  defer response.Body.Close()
  body, _ := io.ReadAll(response.Body)
  fmt.Println(string(body))
}
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

var request = HttpRequest.newBuilder()
    .uri(URI.create("https://example.com/registry/allocations/v2/{allocationId}/choice-contexts/cancel"))
    .header("Content-Type", "application/json")
    .method("POST", HttpRequest.BodyPublishers.ofString("""
{
  "meta": {},
  "excludeDebugFields": false
}
"""))
    .build();
var response = HttpClient.newHttpClient().send(
    request, HttpResponse.BodyHandlers.ofString());
System.out.println(response.body());
require 'net/http'
require 'uri'

uri = URI('https://example.com/registry/allocations/v2/{allocationId}/choice-contexts/cancel')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = <<~JSON
{
  "meta": {},
  "excludeDebugFields": false
}
JSON
response = Net::HTTP.start(uri.hostname, uri.port) do |http|
  http.request(request)
end
puts response.body
200
400
404
409
{
  "choiceContextData": {},
  "disclosedContracts": [
    {
      "templateId": "<string>",
      "contractId": "<string>",
      "createdEventBlob": "<string>",
      "synchronizerId": "<string>",
      "debugPackageName": "<string>",
      "debugPayload": {},
      "debugCreatedAt": "2026-01-01T00:00:00Z"
    }
  ]
}
{
  "error": "<string>"
}
{
  "error": "<string>"
}
{
  "error": "<string>"
}

Path parameters

allocationId
string
required
The contract ID of the allocation to cancel.

Body

application/json
meta
object
Metadata that will be passed to the choice, and should be incorporated into the choice context. Provided for extensibility.
excludeDebugFields
boolean
default:"false"
If set to true, the response will not include fields prefixed with ‘debug’. Useful to save bandwidth.

Responses

200

ok
application/json
choiceContextData
object
required
The additional data to use when exercising the choice.
disclosedContracts
DisclosedContract[]
required
The contracts that are required to be disclosed to the participant node for exercising the choice.

Show child attributes

templateId
string
required
The fully qualified template identifier of the disclosed contract.
contractId
string
required
The contract ID of the disclosed contract.
createdEventBlob
string
required
The serialized created event of the disclosed contract, forwarded unchanged as retrieved from the JSON Ledger API.
synchronizerId
string
required
The synchronizer to which the contract is currently assigned. If the contract is in the process of being reassigned, then a “409” response is returned.
debugPackageName
string
The name of the Daml package that was used to create the contract. Use this data only if you trust the provider, as it might not match the data in the createdEventBlob.
debugPayload
object
The contract arguments that were used to create the contract. Use this data only if you trust the provider, as it might not match the data in the createdEventBlob.
debugCreatedAt
string (date-time)
The ledger effective time at which the contract was created. Use this data only if you trust the provider, as it might not match the data in the createdEventBlob.

400

bad request
application/json
error
string
required

404

not found
application/json
error
string
required

409

conflict
application/json
error
string
required

History

Added0.6.11