curl --request POST \
--url https://api.teamfollowup.ai/api/agent-builder/agents/{id}/split-test/variants \
--header 'Authorization: Bearer YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--data '{
"sourceAgentId": "agent_1ffdb9717444d0e77346838911"
}'import requests
url = "https://api.teamfollowup.ai/api/agent-builder/agents/{id}/split-test/variants"
payload = { "sourceAgentId": "agent_1ffdb9717444d0e77346838911" }
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({sourceAgentId: 'agent_1ffdb9717444d0e77346838911'})
};
fetch('https://api.teamfollowup.ai/api/agent-builder/agents/{id}/split-test/variants', 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://api.teamfollowup.ai/api/agent-builder/agents/{id}/split-test/variants",
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([
'sourceAgentId' => 'agent_1ffdb9717444d0e77346838911'
]),
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://api.teamfollowup.ai/api/agent-builder/agents/{id}/split-test/variants"
payload := strings.NewReader("{\n \"sourceAgentId\": \"agent_1ffdb9717444d0e77346838911\"\n}")
req, _ := http.NewRequest("POST", 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.post("https://api.teamfollowup.ai/api/agent-builder/agents/{id}/split-test/variants")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"sourceAgentId\": \"agent_1ffdb9717444d0e77346838911\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.teamfollowup.ai/api/agent-builder/agents/{id}/split-test/variants")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"sourceAgentId\": \"agent_1ffdb9717444d0e77346838911\"\n}"
response = http.request(request)
puts response.read_body{
"success": true,
"idempotentReplay": true,
"splitTest": {
"locationId": "loc_9f7a123",
"campaignId": "campaign_speed_to_lead_123",
"primaryAgentId": "agent_1ffdb9717444d0e77346838911",
"status": "active",
"revision": 4,
"sync": {
"status": "healthy",
"failedAt": null
},
"variants": [
{
"agentId": "agent_1ffdb9717444d0e77346838911",
"name": "Speed to Lead",
"sequence": 1,
"weight": 50,
"status": "active",
"addedAt": "2026-08-14T09:12:44.318Z",
"removedAt": null,
"isPrimary": true
},
{
"agentId": "agent_7c4e1b28f0a94d6591cc2fd340",
"name": "Speed to Lead II",
"sequence": 2,
"weight": 50,
"status": "active",
"addedAt": "2026-08-20T16:04:02.771Z",
"removedAt": null,
"isPrimary": false
}
]
}
}{
"success": true,
"splitTest": {
"locationId": "loc_9f7a123",
"campaignId": "campaign_speed_to_lead_123",
"primaryAgentId": "agent_1ffdb9717444d0e77346838911",
"status": "active",
"revision": 4,
"sync": {
"status": "healthy",
"failedAt": null
},
"variants": [
{
"agentId": "agent_1ffdb9717444d0e77346838911",
"name": "Speed to Lead",
"sequence": 1,
"weight": 50,
"status": "active",
"addedAt": "2026-08-14T09:12:44.318Z",
"removedAt": null,
"isPrimary": true
},
{
"agentId": "agent_7c4e1b28f0a94d6591cc2fd340",
"name": "Speed to Lead II",
"sequence": 2,
"weight": 50,
"status": "active",
"addedAt": "2026-08-20T16:04:02.771Z",
"removedAt": null,
"isPrimary": false
}
]
}
}{
"success": false,
"error": "VALIDATION",
"message": "Weights must include every active variant exactly once."
}{
"success": false,
"error": "Unauthorized",
"message": "Authentication required."
}{
"success": false,
"error": "AccessDenied",
"message": "You do not have access to this agent."
}{
"success": false,
"error": "NOT_FOUND",
"message": "This campaign does not have an Agent Split Test."
}{
"success": false,
"error": "CONFLICT",
"message": "Agent Split Test changed since it was loaded. Refresh and retry."
}{
"success": false,
"error": "TooManyRequests",
"message": "Too many requests, please try again later."
}{
"success": false,
"error": "InternalError",
"message": "Unexpected server error."
}Add split variant
Clone another arm into an active split, up to five, excluded variants included. The live arms, the new one among them, are re-levelled to equal shares, so weights set beforehand are replaced; excluded variants stay at 0.
This creates a real agent and is not idempotent on its own. Send an Idempotency-Key header to make a retry safe: a repeat answers 200 with idempotentReplay: true and adds nothing.
Required API key scope: agents:write.
curl --request POST \
--url https://api.teamfollowup.ai/api/agent-builder/agents/{id}/split-test/variants \
--header 'Authorization: Bearer YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--data '{
"sourceAgentId": "agent_1ffdb9717444d0e77346838911"
}'import requests
url = "https://api.teamfollowup.ai/api/agent-builder/agents/{id}/split-test/variants"
payload = { "sourceAgentId": "agent_1ffdb9717444d0e77346838911" }
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({sourceAgentId: 'agent_1ffdb9717444d0e77346838911'})
};
fetch('https://api.teamfollowup.ai/api/agent-builder/agents/{id}/split-test/variants', 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://api.teamfollowup.ai/api/agent-builder/agents/{id}/split-test/variants",
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([
'sourceAgentId' => 'agent_1ffdb9717444d0e77346838911'
]),
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://api.teamfollowup.ai/api/agent-builder/agents/{id}/split-test/variants"
payload := strings.NewReader("{\n \"sourceAgentId\": \"agent_1ffdb9717444d0e77346838911\"\n}")
req, _ := http.NewRequest("POST", 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.post("https://api.teamfollowup.ai/api/agent-builder/agents/{id}/split-test/variants")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"sourceAgentId\": \"agent_1ffdb9717444d0e77346838911\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.teamfollowup.ai/api/agent-builder/agents/{id}/split-test/variants")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"sourceAgentId\": \"agent_1ffdb9717444d0e77346838911\"\n}"
response = http.request(request)
puts response.read_body{
"success": true,
"idempotentReplay": true,
"splitTest": {
"locationId": "loc_9f7a123",
"campaignId": "campaign_speed_to_lead_123",
"primaryAgentId": "agent_1ffdb9717444d0e77346838911",
"status": "active",
"revision": 4,
"sync": {
"status": "healthy",
"failedAt": null
},
"variants": [
{
"agentId": "agent_1ffdb9717444d0e77346838911",
"name": "Speed to Lead",
"sequence": 1,
"weight": 50,
"status": "active",
"addedAt": "2026-08-14T09:12:44.318Z",
"removedAt": null,
"isPrimary": true
},
{
"agentId": "agent_7c4e1b28f0a94d6591cc2fd340",
"name": "Speed to Lead II",
"sequence": 2,
"weight": 50,
"status": "active",
"addedAt": "2026-08-20T16:04:02.771Z",
"removedAt": null,
"isPrimary": false
}
]
}
}{
"success": true,
"splitTest": {
"locationId": "loc_9f7a123",
"campaignId": "campaign_speed_to_lead_123",
"primaryAgentId": "agent_1ffdb9717444d0e77346838911",
"status": "active",
"revision": 4,
"sync": {
"status": "healthy",
"failedAt": null
},
"variants": [
{
"agentId": "agent_1ffdb9717444d0e77346838911",
"name": "Speed to Lead",
"sequence": 1,
"weight": 50,
"status": "active",
"addedAt": "2026-08-14T09:12:44.318Z",
"removedAt": null,
"isPrimary": true
},
{
"agentId": "agent_7c4e1b28f0a94d6591cc2fd340",
"name": "Speed to Lead II",
"sequence": 2,
"weight": 50,
"status": "active",
"addedAt": "2026-08-20T16:04:02.771Z",
"removedAt": null,
"isPrimary": false
}
]
}
}{
"success": false,
"error": "VALIDATION",
"message": "Weights must include every active variant exactly once."
}{
"success": false,
"error": "Unauthorized",
"message": "Authentication required."
}{
"success": false,
"error": "AccessDenied",
"message": "You do not have access to this agent."
}{
"success": false,
"error": "NOT_FOUND",
"message": "This campaign does not have an Agent Split Test."
}{
"success": false,
"error": "CONFLICT",
"message": "Agent Split Test changed since it was loaded. Refresh and retry."
}{
"success": false,
"error": "TooManyRequests",
"message": "Too many requests, please try again later."
}{
"success": false,
"error": "InternalError",
"message": "Unexpected server error."
}Authorizations
Send your API key as Authorization: Bearer YOUR_API_KEY.
Headers
Optional retry key. Reusing the same key returns the original result with idempotentReplay: true and a 200 instead of adding a second variant.
1 - 255Path Parameters
Agent id of the Primary Variant. Every split operation is addressed through the primary, not through a secondary variant.
1Body
Optional clone source.
Body is optional. Adding a variant re-levels the live arms, the new one included, to equal shares; excluded variants stay at 0. Send the retry key as the Idempotency-Key header.
Response
An earlier request with this idempotency key already added the variant.
