Upload attachment
curl --request POST \
--url https://api.reply.io/v3/attachments \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: multipart/form-data' \
--form file='@example-file'import requests
url = "https://api.reply.io/v3/attachments"
files = { "file": ("example-file", open("example-file", "rb")) }
headers = {"Authorization": "Bearer <token>"}
response = requests.post(url, files=files, headers=headers)
print(response.text)const form = new FormData();
form.append('file', '<string>');
const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};
options.body = form;
fetch('https://api.reply.io/v3/attachments', 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/attachments",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: multipart/form-data"
],
]);
$response = curl_exec($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/attachments"
payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
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/attachments")
.header("Authorization", "Bearer <token>")
.body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.reply.io/v3/attachments")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--"
response = http.request(request)
puts response.read_body{
"id": 123,
"fileName": "<string>",
"size": 123
}{
"title": "Bad Request",
"status": 400,
"detail": "File is required.",
"code": "attachment.emptyFile"
}{
"title": "Unauthorized",
"status": 401,
"detail": "Authentication credentials are missing or invalid."
}{
"title": "Forbidden",
"status": 403,
"detail": "Attachments feature is not available for this user.",
"code": "attachment.forbidden"
}{
"title": "Too Many Requests",
"status": 429,
"detail": "Rate limit exceeded. Retry after 60 seconds."
}Attachments
Upload attachment
Requires the
other:write scope (or a broader one that includes it).
Uploads a single file as a multipart/form-data request and returns its attachment id. Use the returned id in attachmentIds arrays on email-template, sequence-step, and inbox-message endpoints to attach the file to outbound communications.
POST
/
v3
/
attachments
Upload attachment
curl --request POST \
--url https://api.reply.io/v3/attachments \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: multipart/form-data' \
--form file='@example-file'import requests
url = "https://api.reply.io/v3/attachments"
files = { "file": ("example-file", open("example-file", "rb")) }
headers = {"Authorization": "Bearer <token>"}
response = requests.post(url, files=files, headers=headers)
print(response.text)const form = new FormData();
form.append('file', '<string>');
const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};
options.body = form;
fetch('https://api.reply.io/v3/attachments', 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/attachments",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: multipart/form-data"
],
]);
$response = curl_exec($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/attachments"
payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
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/attachments")
.header("Authorization", "Bearer <token>")
.body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.reply.io/v3/attachments")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--"
response = http.request(request)
puts response.read_body{
"id": 123,
"fileName": "<string>",
"size": 123
}{
"title": "Bad Request",
"status": 400,
"detail": "File is required.",
"code": "attachment.emptyFile"
}{
"title": "Unauthorized",
"status": 401,
"detail": "Authentication credentials are missing or invalid."
}{
"title": "Forbidden",
"status": 403,
"detail": "Attachments feature is not available for this user.",
"code": "attachment.forbidden"
}{
"title": "Too Many Requests",
"status": 429,
"detail": "Rate limit exceeded. Retry after 60 seconds."
}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
multipart/form-data
File to upload. Must be non-empty.
Response
File uploaded
Uploaded file attachment usable across email templates, sequence steps, and direct emails.
⌘I