Videos
Upsert video subtitle
PUT
/videos/{videoId}/subtitles/{lang_code}Add or replace a subtitle for a specific language using API key authentication
Authorization
ApiKeyAuth X-API-Key<token>
Internal API key for service-to-service communication.
In: header
Path Parameters
videoId*string
Video ID
lang_code*string
Language Code (BCP 47)
Request Body
multipart/form-data{
"file": "string",
"label": "string"
}file*string
Subtitle file (.srt or .vtt)
label?string
Label (e.g. English)
Response Body
200application/json
OK
type: object
created_at?string
id?string
label?string
language_code?string
name?string
size?integer
url?string
video_id?string
curl -X PUT "https://api.rixl.com/videos/V3idRI23XL/subtitles/en" \
-F file="string"const body = new FormData();
body.set(file, "string")
fetch("https://api.rixl.com/videos/V3idRI23XL/subtitles/en", {
method: "PUT",
headers: {
"Content-Type": "multipart/form-data"
},
body
})package main
import (
"fmt"
"net/http"
"io/ioutil"
"mime/multipart"
"bytes"
)
func main() {
url := "https://api.rixl.com/videos/V3idRI23XL/subtitles/en"
body := new(bytes.Buffer)
mp := multipart.NewWriter(payload)
mp.WriteField("file", `string`)
req, _ := http.NewRequest("PUT", url, body)
req.Header.Add("Content-Type", "multipart/form-data")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := ioutil.ReadAll(res.Body)
fmt.Println(res)
fmt.Println(string(body))
}import requests
url = "https://api.rixl.com/videos/V3idRI23XL/subtitles/en"
body = {
"file": "string"
}
response = requests.request("PUT", url, data = body, headers = {
"Content-Type": "multipart/form-data"
})
print(response.text)import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.http.HttpResponse.BodyHandlers;
import java.time.Duration;
import java.net.http.HttpRequest.BodyPublishers;
var body = BodyPublishers.ofByteArray(new byte[] { ... });
HttpClient client = HttpClient.newBuilder()
.connectTimeout(Duration.ofSeconds(10))
.build();
HttpRequest.Builder requestBuilder = HttpRequest.newBuilder()
.uri(URI.create("https://api.rixl.com/videos/V3idRI23XL/subtitles/en"))
.header("Content-Type", "multipart/form-data")
.PUT(body)
.build();
try {
HttpResponse<String> response = client.send(requestBuilder.build(), BodyHandlers.ofString());
System.out.println("Status code: " + response.statusCode());
System.out.println("Response body: " + response.body());
} catch (Exception e) {
e.printStackTrace();
}using System;
using System.Net.Http;
using System.Text;
var body = new MultipartFormDataContent();
var client = new HttpClient();
var response = await client.PutAsync("https://api.rixl.com/videos/V3idRI23XL/subtitles/en", body);
var responseBody = await response.Content.ReadAsStringAsync();OK
application/json
{
"created_at": "2025-12-21T12:00:00Z",
"id": "5m9k8p2v7q",
"label": "English",
"language_code": "en-US",
"name": "english_subs.srt",
"size": 1024,
"url": "https://cdn.rixl.io/subtitles/project_id/video_id/en-US-5m9k8p2v7q.srt",
"video_id": "x8n2p5v9k7"
}