Create a pre-prompt
curl --request POST \
--url https://handauncle-backend-prod-205012263523.asia-south1.run.app/api/v1/preprompts \
--header 'Content-Type: application/json' \
--data '
{
"key": "<string>",
"publicValue": "<string>",
"maskedValue": "<string>",
"description": "<string>",
"tags": [
"<string>"
]
}
'import requests
url = "https://handauncle-backend-prod-205012263523.asia-south1.run.app/api/v1/preprompts"
payload = {
"key": "<string>",
"publicValue": "<string>",
"maskedValue": "<string>",
"description": "<string>",
"tags": ["<string>"]
}
headers = {"Content-Type": "application/json"}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({
key: '<string>',
publicValue: '<string>',
maskedValue: '<string>',
description: '<string>',
tags: ['<string>']
})
};
fetch('https://handauncle-backend-prod-205012263523.asia-south1.run.app/api/v1/preprompts', 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://handauncle-backend-prod-205012263523.asia-south1.run.app/api/v1/preprompts",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'key' => '<string>',
'publicValue' => '<string>',
'maskedValue' => '<string>',
'description' => '<string>',
'tags' => [
'<string>'
]
]),
CURLOPT_HTTPHEADER => [
"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://handauncle-backend-prod-205012263523.asia-south1.run.app/api/v1/preprompts"
payload := strings.NewReader("{\n \"key\": \"<string>\",\n \"publicValue\": \"<string>\",\n \"maskedValue\": \"<string>\",\n \"description\": \"<string>\",\n \"tags\": [\n \"<string>\"\n ]\n}")
req, _ := http.NewRequest("POST", url, payload)
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.post("https://handauncle-backend-prod-205012263523.asia-south1.run.app/api/v1/preprompts")
.header("Content-Type", "application/json")
.body("{\n \"key\": \"<string>\",\n \"publicValue\": \"<string>\",\n \"maskedValue\": \"<string>\",\n \"description\": \"<string>\",\n \"tags\": [\n \"<string>\"\n ]\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://handauncle-backend-prod-205012263523.asia-south1.run.app/api/v1/preprompts")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n \"key\": \"<string>\",\n \"publicValue\": \"<string>\",\n \"maskedValue\": \"<string>\",\n \"description\": \"<string>\",\n \"tags\": [\n \"<string>\"\n ]\n}"
response = http.request(request)
puts response.read_body{
"success": true,
"data": {
"id": "<string>",
"key": "<string>",
"publicValue": "<string>",
"maskedValue": "<string>",
"isDeleted": true,
"createdAt": "2023-11-07T05:31:56Z",
"updatedAt": "2023-11-07T05:31:56Z",
"description": "<string>",
"tags": [
"<string>"
]
},
"meta": {
"timestamp": "2023-11-07T05:31:56Z",
"requestId": "<string>"
}
}{
"success": false,
"error": {
"message": "Please enter a valid 10-digit phone number (e.g., 9876543210)",
"code": "VALIDATION_ERROR",
"details": [
{
"field": "phone",
"message": "Please enter a valid 10-digit phone number (e.g., 9876543210)"
}
]
},
"meta": {
"timestamp": "2023-11-07T05:31:56Z",
"requestId": "<string>"
}
}{
"success": false,
"error": {
"message": "Please enter a valid 10-digit phone number (e.g., 9876543210)",
"code": "VALIDATION_ERROR",
"details": [
{
"field": "phone",
"message": "Please enter a valid 10-digit phone number (e.g., 9876543210)"
}
]
},
"meta": {
"timestamp": "2023-11-07T05:31:56Z",
"requestId": "<string>"
}
}{
"success": false,
"error": {
"message": "Please enter a valid 10-digit phone number (e.g., 9876543210)",
"code": "VALIDATION_ERROR",
"details": [
{
"field": "phone",
"message": "Please enter a valid 10-digit phone number (e.g., 9876543210)"
}
]
},
"meta": {
"timestamp": "2023-11-07T05:31:56Z",
"requestId": "<string>"
}
}Prompt management
Create PrePrompt
Creates a masked pre-prompt. Requires the backend secret via Authorization: Bearer <secret> or X-Backend-Secret: <secret>.
POST
/
api
/
v1
/
preprompts
Create a pre-prompt
curl --request POST \
--url https://handauncle-backend-prod-205012263523.asia-south1.run.app/api/v1/preprompts \
--header 'Content-Type: application/json' \
--data '
{
"key": "<string>",
"publicValue": "<string>",
"maskedValue": "<string>",
"description": "<string>",
"tags": [
"<string>"
]
}
'import requests
url = "https://handauncle-backend-prod-205012263523.asia-south1.run.app/api/v1/preprompts"
payload = {
"key": "<string>",
"publicValue": "<string>",
"maskedValue": "<string>",
"description": "<string>",
"tags": ["<string>"]
}
headers = {"Content-Type": "application/json"}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({
key: '<string>',
publicValue: '<string>',
maskedValue: '<string>',
description: '<string>',
tags: ['<string>']
})
};
fetch('https://handauncle-backend-prod-205012263523.asia-south1.run.app/api/v1/preprompts', 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://handauncle-backend-prod-205012263523.asia-south1.run.app/api/v1/preprompts",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'key' => '<string>',
'publicValue' => '<string>',
'maskedValue' => '<string>',
'description' => '<string>',
'tags' => [
'<string>'
]
]),
CURLOPT_HTTPHEADER => [
"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://handauncle-backend-prod-205012263523.asia-south1.run.app/api/v1/preprompts"
payload := strings.NewReader("{\n \"key\": \"<string>\",\n \"publicValue\": \"<string>\",\n \"maskedValue\": \"<string>\",\n \"description\": \"<string>\",\n \"tags\": [\n \"<string>\"\n ]\n}")
req, _ := http.NewRequest("POST", url, payload)
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.post("https://handauncle-backend-prod-205012263523.asia-south1.run.app/api/v1/preprompts")
.header("Content-Type", "application/json")
.body("{\n \"key\": \"<string>\",\n \"publicValue\": \"<string>\",\n \"maskedValue\": \"<string>\",\n \"description\": \"<string>\",\n \"tags\": [\n \"<string>\"\n ]\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://handauncle-backend-prod-205012263523.asia-south1.run.app/api/v1/preprompts")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n \"key\": \"<string>\",\n \"publicValue\": \"<string>\",\n \"maskedValue\": \"<string>\",\n \"description\": \"<string>\",\n \"tags\": [\n \"<string>\"\n ]\n}"
response = http.request(request)
puts response.read_body{
"success": true,
"data": {
"id": "<string>",
"key": "<string>",
"publicValue": "<string>",
"maskedValue": "<string>",
"isDeleted": true,
"createdAt": "2023-11-07T05:31:56Z",
"updatedAt": "2023-11-07T05:31:56Z",
"description": "<string>",
"tags": [
"<string>"
]
},
"meta": {
"timestamp": "2023-11-07T05:31:56Z",
"requestId": "<string>"
}
}{
"success": false,
"error": {
"message": "Please enter a valid 10-digit phone number (e.g., 9876543210)",
"code": "VALIDATION_ERROR",
"details": [
{
"field": "phone",
"message": "Please enter a valid 10-digit phone number (e.g., 9876543210)"
}
]
},
"meta": {
"timestamp": "2023-11-07T05:31:56Z",
"requestId": "<string>"
}
}{
"success": false,
"error": {
"message": "Please enter a valid 10-digit phone number (e.g., 9876543210)",
"code": "VALIDATION_ERROR",
"details": [
{
"field": "phone",
"message": "Please enter a valid 10-digit phone number (e.g., 9876543210)"
}
]
},
"meta": {
"timestamp": "2023-11-07T05:31:56Z",
"requestId": "<string>"
}
}{
"success": false,
"error": {
"message": "Please enter a valid 10-digit phone number (e.g., 9876543210)",
"code": "VALIDATION_ERROR",
"details": [
{
"field": "phone",
"message": "Please enter a valid 10-digit phone number (e.g., 9876543210)"
}
]
},
"meta": {
"timestamp": "2023-11-07T05:31:56Z",
"requestId": "<string>"
}
}Create a masked pre-prompt by pairing a public label with the hidden
maskedValue
that is injected after the system prompt. Send Authorization: Bearer <BACKEND_SECRET>
or X-Backend-Secret: <BACKEND_SECRET> with every admin request.
Request Body
| Field | Type | Required | Description |
|---|---|---|---|
key | string | ✅ | Unique identifier (2-64 chars, alphanumeric with underscores/dashes) |
publicValue | string | ✅ | User-facing label (1-512 chars) |
maskedValue | string | ✅ | Hidden prompt injected into LLM context (1-4000 chars) |
description | string | ⛔ | Optional description (max 500 chars) |
tags | string[] | ⛔ | Optional tags for categorization (max 16 tags) |
Headers
Backend secret token required for admin-only endpoints. Provide either this header or Authorization: Bearer <secret>.
Body
application/json
Required string length:
2 - 64Pattern:
^[a-zA-Z0-9][a-zA-Z0-9_-]{1,63}$Required string length:
1 - 512Required string length:
1 - 4000Maximum string length:
500Maximum array length:
16Maximum string length:
50⌘I