Replace field rules
curl --request PUT \
--url https://formhug.ai/api/v1/forms/{form_token}/rules \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"field_rules": [
{
"rule_sets": [
{
"trigger": "<string>",
"condition": "<string>"
}
],
"targets": [
"<string>"
]
}
],
"redirect_rules": [
{
"redirect_url": "<string>",
"rule_sets": [
{
"trigger": "<string>",
"condition": "<string>"
}
]
}
]
}
'import requests
url = "https://formhug.ai/api/v1/forms/{form_token}/rules"
payload = {
"field_rules": [
{
"rule_sets": [
{
"trigger": "<string>",
"condition": "<string>"
}
],
"targets": ["<string>"]
}
],
"redirect_rules": [
{
"redirect_url": "<string>",
"rule_sets": [
{
"trigger": "<string>",
"condition": "<string>"
}
]
}
]
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.put(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'PUT',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
field_rules: [
{
rule_sets: [{trigger: '<string>', condition: '<string>'}],
targets: ['<string>']
}
],
redirect_rules: [
{
redirect_url: '<string>',
rule_sets: [{trigger: '<string>', condition: '<string>'}]
}
]
})
};
fetch('https://formhug.ai/api/v1/forms/{form_token}/rules', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://formhug.ai/api/v1/forms/{form_token}/rules",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "PUT",
CURLOPT_POSTFIELDS => json_encode([
'field_rules' => [
[
'rule_sets' => [
[
'trigger' => '<string>',
'condition' => '<string>'
]
],
'targets' => [
'<string>'
]
]
],
'redirect_rules' => [
[
'redirect_url' => '<string>',
'rule_sets' => [
[
'trigger' => '<string>',
'condition' => '<string>'
]
]
]
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://formhug.ai/api/v1/forms/{form_token}/rules"
payload := strings.NewReader("{\n \"field_rules\": [\n {\n \"rule_sets\": [\n {\n \"trigger\": \"<string>\",\n \"condition\": \"<string>\"\n }\n ],\n \"targets\": [\n \"<string>\"\n ]\n }\n ],\n \"redirect_rules\": [\n {\n \"redirect_url\": \"<string>\",\n \"rule_sets\": [\n {\n \"trigger\": \"<string>\",\n \"condition\": \"<string>\"\n }\n ]\n }\n ]\n}")
req, _ := http.NewRequest("PUT", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.put("https://formhug.ai/api/v1/forms/{form_token}/rules")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"field_rules\": [\n {\n \"rule_sets\": [\n {\n \"trigger\": \"<string>\",\n \"condition\": \"<string>\"\n }\n ],\n \"targets\": [\n \"<string>\"\n ]\n }\n ],\n \"redirect_rules\": [\n {\n \"redirect_url\": \"<string>\",\n \"rule_sets\": [\n {\n \"trigger\": \"<string>\",\n \"condition\": \"<string>\"\n }\n ]\n }\n ]\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://formhug.ai/api/v1/forms/{form_token}/rules")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"field_rules\": [\n {\n \"rule_sets\": [\n {\n \"trigger\": \"<string>\",\n \"condition\": \"<string>\"\n }\n ],\n \"targets\": [\n \"<string>\"\n ]\n }\n ],\n \"redirect_rules\": [\n {\n \"redirect_url\": \"<string>\",\n \"rule_sets\": [\n {\n \"trigger\": \"<string>\",\n \"condition\": \"<string>\"\n }\n ]\n }\n ]\n}"
response = http.request(request)
puts response.read_body{
"data": {
"field_rules": [
{
"rule_sets": [
{
"trigger": "<string>",
"condition": "<string>"
}
],
"targets": [
"<string>"
]
}
],
"redirect_rules": [
{
"redirect_url": "<string>",
"rule_sets": [
{
"trigger": "<string>",
"condition": "<string>"
}
]
}
]
}
}{
"error": "Name can't be blank",
"error_details": [
{
"attribute": "name",
"message": "can't be blank"
}
]
}Field Rules
Replace field rules
Required scope: form:write. A present key replaces all rules of that kind; an empty array clears them; an omitted key leaves them untouched.
PUT
/
api
/
v1
/
forms
/
{form_token}
/
rules
Replace field rules
curl --request PUT \
--url https://formhug.ai/api/v1/forms/{form_token}/rules \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"field_rules": [
{
"rule_sets": [
{
"trigger": "<string>",
"condition": "<string>"
}
],
"targets": [
"<string>"
]
}
],
"redirect_rules": [
{
"redirect_url": "<string>",
"rule_sets": [
{
"trigger": "<string>",
"condition": "<string>"
}
]
}
]
}
'import requests
url = "https://formhug.ai/api/v1/forms/{form_token}/rules"
payload = {
"field_rules": [
{
"rule_sets": [
{
"trigger": "<string>",
"condition": "<string>"
}
],
"targets": ["<string>"]
}
],
"redirect_rules": [
{
"redirect_url": "<string>",
"rule_sets": [
{
"trigger": "<string>",
"condition": "<string>"
}
]
}
]
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.put(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'PUT',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
field_rules: [
{
rule_sets: [{trigger: '<string>', condition: '<string>'}],
targets: ['<string>']
}
],
redirect_rules: [
{
redirect_url: '<string>',
rule_sets: [{trigger: '<string>', condition: '<string>'}]
}
]
})
};
fetch('https://formhug.ai/api/v1/forms/{form_token}/rules', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://formhug.ai/api/v1/forms/{form_token}/rules",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "PUT",
CURLOPT_POSTFIELDS => json_encode([
'field_rules' => [
[
'rule_sets' => [
[
'trigger' => '<string>',
'condition' => '<string>'
]
],
'targets' => [
'<string>'
]
]
],
'redirect_rules' => [
[
'redirect_url' => '<string>',
'rule_sets' => [
[
'trigger' => '<string>',
'condition' => '<string>'
]
]
]
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://formhug.ai/api/v1/forms/{form_token}/rules"
payload := strings.NewReader("{\n \"field_rules\": [\n {\n \"rule_sets\": [\n {\n \"trigger\": \"<string>\",\n \"condition\": \"<string>\"\n }\n ],\n \"targets\": [\n \"<string>\"\n ]\n }\n ],\n \"redirect_rules\": [\n {\n \"redirect_url\": \"<string>\",\n \"rule_sets\": [\n {\n \"trigger\": \"<string>\",\n \"condition\": \"<string>\"\n }\n ]\n }\n ]\n}")
req, _ := http.NewRequest("PUT", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.put("https://formhug.ai/api/v1/forms/{form_token}/rules")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"field_rules\": [\n {\n \"rule_sets\": [\n {\n \"trigger\": \"<string>\",\n \"condition\": \"<string>\"\n }\n ],\n \"targets\": [\n \"<string>\"\n ]\n }\n ],\n \"redirect_rules\": [\n {\n \"redirect_url\": \"<string>\",\n \"rule_sets\": [\n {\n \"trigger\": \"<string>\",\n \"condition\": \"<string>\"\n }\n ]\n }\n ]\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://formhug.ai/api/v1/forms/{form_token}/rules")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"field_rules\": [\n {\n \"rule_sets\": [\n {\n \"trigger\": \"<string>\",\n \"condition\": \"<string>\"\n }\n ],\n \"targets\": [\n \"<string>\"\n ]\n }\n ],\n \"redirect_rules\": [\n {\n \"redirect_url\": \"<string>\",\n \"rule_sets\": [\n {\n \"trigger\": \"<string>\",\n \"condition\": \"<string>\"\n }\n ]\n }\n ]\n}"
response = http.request(request)
puts response.read_body{
"data": {
"field_rules": [
{
"rule_sets": [
{
"trigger": "<string>",
"condition": "<string>"
}
],
"targets": [
"<string>"
]
}
],
"redirect_rules": [
{
"redirect_url": "<string>",
"rule_sets": [
{
"trigger": "<string>",
"condition": "<string>"
}
]
}
]
}
}{
"error": "Name can't be blank",
"error_details": [
{
"attribute": "name",
"message": "can't be blank"
}
]
}Authorizations
Personal Access Token prefixed with fh_. Sent as Authorization: Bearer fh_xxx.
The scope required by each endpoint is listed in that endpoint's description.
Path Parameters
Form token
Body
application/json
Response
Updated
Show child attributes
Show child attributes
Last modified on July 9, 2026
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