Apply a music track to a rendered fragment
curl --request POST \
--url https://mathify.dev/api/v1/fragments/{fragmentId}/music \
--header 'Content-Type: application/json' \
--header 'x-api-key: <api-key>' \
--data '
{
"trackSlug": "<string>",
"random": true,
"volume": 0.8,
"loopAudio": true
}
'import requests
url = "https://mathify.dev/api/v1/fragments/{fragmentId}/music"
payload = {
"trackSlug": "<string>",
"random": True,
"volume": 0.8,
"loopAudio": True
}
headers = {
"x-api-key": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({trackSlug: '<string>', random: true, volume: 0.8, loopAudio: true})
};
fetch('https://mathify.dev/api/v1/fragments/{fragmentId}/music', 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://mathify.dev/api/v1/fragments/{fragmentId}/music",
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([
'trackSlug' => '<string>',
'random' => true,
'volume' => 0.8,
'loopAudio' => true
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-api-key: <api-key>"
],
]);
$response = curl_exec($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://mathify.dev/api/v1/fragments/{fragmentId}/music"
payload := strings.NewReader("{\n \"trackSlug\": \"<string>\",\n \"random\": true,\n \"volume\": 0.8,\n \"loopAudio\": true\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("x-api-key", "<api-key>")
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://mathify.dev/api/v1/fragments/{fragmentId}/music")
.header("x-api-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"trackSlug\": \"<string>\",\n \"random\": true,\n \"volume\": 0.8,\n \"loopAudio\": true\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://mathify.dev/api/v1/fragments/{fragmentId}/music")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"trackSlug\": \"<string>\",\n \"random\": true,\n \"volume\": 0.8,\n \"loopAudio\": true\n}"
response = http.request(request)
puts response.read_body{
"ok": true,
"trackSlug": "<string>",
"track": {
"title": "<string>",
"artist": "<string>",
"mood": "<string>"
}
}{
"error": "Project not found"
}{
"error": "Project not found"
}{
"error": "Project not found"
}{
"error": "Project not found"
}{
"error": "Project not found"
}{
"error": "Project not found"
}{
"error": "Project not found"
}Music
Apply a music track to a rendered fragment
Kicks off an async Cloud Run job.
POST
/
fragments
/
{fragmentId}
/
music
Apply a music track to a rendered fragment
curl --request POST \
--url https://mathify.dev/api/v1/fragments/{fragmentId}/music \
--header 'Content-Type: application/json' \
--header 'x-api-key: <api-key>' \
--data '
{
"trackSlug": "<string>",
"random": true,
"volume": 0.8,
"loopAudio": true
}
'import requests
url = "https://mathify.dev/api/v1/fragments/{fragmentId}/music"
payload = {
"trackSlug": "<string>",
"random": True,
"volume": 0.8,
"loopAudio": True
}
headers = {
"x-api-key": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({trackSlug: '<string>', random: true, volume: 0.8, loopAudio: true})
};
fetch('https://mathify.dev/api/v1/fragments/{fragmentId}/music', 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://mathify.dev/api/v1/fragments/{fragmentId}/music",
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([
'trackSlug' => '<string>',
'random' => true,
'volume' => 0.8,
'loopAudio' => true
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-api-key: <api-key>"
],
]);
$response = curl_exec($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://mathify.dev/api/v1/fragments/{fragmentId}/music"
payload := strings.NewReader("{\n \"trackSlug\": \"<string>\",\n \"random\": true,\n \"volume\": 0.8,\n \"loopAudio\": true\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("x-api-key", "<api-key>")
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://mathify.dev/api/v1/fragments/{fragmentId}/music")
.header("x-api-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"trackSlug\": \"<string>\",\n \"random\": true,\n \"volume\": 0.8,\n \"loopAudio\": true\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://mathify.dev/api/v1/fragments/{fragmentId}/music")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"trackSlug\": \"<string>\",\n \"random\": true,\n \"volume\": 0.8,\n \"loopAudio\": true\n}"
response = http.request(request)
puts response.read_body{
"ok": true,
"trackSlug": "<string>",
"track": {
"title": "<string>",
"artist": "<string>",
"mood": "<string>"
}
}{
"error": "Project not found"
}{
"error": "Project not found"
}{
"error": "Project not found"
}{
"error": "Project not found"
}{
"error": "Project not found"
}{
"error": "Project not found"
}{
"error": "Project not found"
}A
200 here means the job started, not that it’s done. Poll GET on this same path until status is completed or failed, then re-fetch signed-video for the updated URL.Authorizations
apiKeyHeaderbearerAuth
Your Mathify API key (mk_live_<64 hex chars>), generated at /settings/api-keys.
Path Parameters
Body
application/json
⌘I

