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"
}