Bulk create step variants
curl --request POST \
--url https://api.reply.io/v3/sequences/{id}/steps/{step_id}/variants/bulk \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
[
{
"subject": "Follow up on our conversation",
"message": "Hi {{firstName}}, I wanted to follow up...",
"isEnabled": true,
"attachmentIds": [
101,
102
]
}
]
'import requests
url = "https://api.reply.io/v3/sequences/{id}/steps/{step_id}/variants/bulk"
payload = [
{
"subject": "Follow up on our conversation",
"message": "Hi {{firstName}}, I wanted to follow up...",
"isEnabled": True,
"attachmentIds": [101, 102]
}
]
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([
{
subject: 'Follow up on our conversation',
message: 'Hi {{firstName}}, I wanted to follow up...',
isEnabled: true,
attachmentIds: [101, 102]
}
])
};
fetch('https://api.reply.io/v3/sequences/{id}/steps/{step_id}/variants/bulk', 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.reply.io/v3/sequences/{id}/steps/{step_id}/variants/bulk",
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([
[
'subject' => 'Follow up on our conversation',
'message' => 'Hi {{firstName}}, I wanted to follow up...',
'isEnabled' => true,
'attachmentIds' => [
101,
102
]
]
]),
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.reply.io/v3/sequences/{id}/steps/{step_id}/variants/bulk"
payload := strings.NewReader("[\n {\n \"subject\": \"Follow up on our conversation\",\n \"message\": \"Hi {{firstName}}, I wanted to follow up...\",\n \"isEnabled\": true,\n \"attachmentIds\": [\n 101,\n 102\n ]\n }\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.reply.io/v3/sequences/{id}/steps/{step_id}/variants/bulk")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("[\n {\n \"subject\": \"Follow up on our conversation\",\n \"message\": \"Hi {{firstName}}, I wanted to follow up...\",\n \"isEnabled\": true,\n \"attachmentIds\": [\n 101,\n 102\n ]\n }\n]")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.reply.io/v3/sequences/{id}/steps/{step_id}/variants/bulk")
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 {\n \"subject\": \"Follow up on our conversation\",\n \"message\": \"Hi {{firstName}}, I wanted to follow up...\",\n \"isEnabled\": true,\n \"attachmentIds\": [\n 101,\n 102\n ]\n }\n]"
response = http.request(request)
puts response.read_body[
{
"id": 123,
"error": 123,
"errorDetails": "<string>"
}
]Sequence Steps
Bulk create step variants
Requires the
sequences:write scope (or a broader one that includes it).
Add several text variants to one step in a single call. They’re appended in the order you send them.
POST
/
v3
/
sequences
/
{id}
/
steps
/
{step_id}
/
variants
/
bulk
Bulk create step variants
curl --request POST \
--url https://api.reply.io/v3/sequences/{id}/steps/{step_id}/variants/bulk \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
[
{
"subject": "Follow up on our conversation",
"message": "Hi {{firstName}}, I wanted to follow up...",
"isEnabled": true,
"attachmentIds": [
101,
102
]
}
]
'import requests
url = "https://api.reply.io/v3/sequences/{id}/steps/{step_id}/variants/bulk"
payload = [
{
"subject": "Follow up on our conversation",
"message": "Hi {{firstName}}, I wanted to follow up...",
"isEnabled": True,
"attachmentIds": [101, 102]
}
]
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([
{
subject: 'Follow up on our conversation',
message: 'Hi {{firstName}}, I wanted to follow up...',
isEnabled: true,
attachmentIds: [101, 102]
}
])
};
fetch('https://api.reply.io/v3/sequences/{id}/steps/{step_id}/variants/bulk', 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.reply.io/v3/sequences/{id}/steps/{step_id}/variants/bulk",
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([
[
'subject' => 'Follow up on our conversation',
'message' => 'Hi {{firstName}}, I wanted to follow up...',
'isEnabled' => true,
'attachmentIds' => [
101,
102
]
]
]),
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.reply.io/v3/sequences/{id}/steps/{step_id}/variants/bulk"
payload := strings.NewReader("[\n {\n \"subject\": \"Follow up on our conversation\",\n \"message\": \"Hi {{firstName}}, I wanted to follow up...\",\n \"isEnabled\": true,\n \"attachmentIds\": [\n 101,\n 102\n ]\n }\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.reply.io/v3/sequences/{id}/steps/{step_id}/variants/bulk")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("[\n {\n \"subject\": \"Follow up on our conversation\",\n \"message\": \"Hi {{firstName}}, I wanted to follow up...\",\n \"isEnabled\": true,\n \"attachmentIds\": [\n 101,\n 102\n ]\n }\n]")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.reply.io/v3/sequences/{id}/steps/{step_id}/variants/bulk")
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 {\n \"subject\": \"Follow up on our conversation\",\n \"message\": \"Hi {{firstName}}, I wanted to follow up...\",\n \"isEnabled\": true,\n \"attachmentIds\": [\n 101,\n 102\n ]\n }\n]"
response = http.request(request)
puts response.read_body[
{
"id": 123,
"error": 123,
"errorDetails": "<string>"
}
]Authorizations
Authenticate every request with a Bearer token. Pass your Reply API key in the
Authorization header:
Authorization: Bearer <your-api-key>
Get your API key from the Reply dashboard: Settings → API Key.
Body
application/json
Message content of the variant
Subject line of the variant
Whether the variant is enabled
IDs of previously uploaded attachments to attach to this variant. Upload files via POST /v3/attachments first to obtain attachment IDs.
A variant may carry up to 3 attachments. Omit or pass null to leave attachments unchanged on update; pass an empty array to clear existing attachments.
Maximum array length:
3Response
Array of per-item results, one per input variant (same order as request).
Possible per-item error codes:
| Error code | Meaning |
|---|---|
invalidInput | Validation failed (e.g. more than 3 attachments) |
invalidStep | Step type does not support this variant |
forbidden | One or more attachment IDs are not accessible to the caller |
internalError | Unexpected server error |