Replace audio and voice tuning settings
Replace both the audio file and voice tuning settings for a cache entry in a single request. Sent as multipart/form-data with a file part containing the WAV audio (max 6 MB) and a settings part containing a JSON object with text and config fields.
PUT
/
v1
/
agents
/
{agentId}
/
audio-cache
/
{entryId}
/
details
Replace audio file and voice tuning settings
curl --request PUT \
--url https://api.us.poly.ai/v1/agents/{agentId}/audio-cache/{entryId}/details \
--header 'Content-Type: multipart/form-data' \
--header 'X-API-KEY: <api-key>' \
--form file='@example-file' \
--form 'settings=<string>'import requests
url = "https://api.us.poly.ai/v1/agents/{agentId}/audio-cache/{entryId}/details"
files = { "file": ("example-file", open("example-file", "rb")) }
payload = { "settings": "<string>" }
headers = {"X-API-KEY": "<api-key>"}
response = requests.put(url, data=payload, files=files, headers=headers)
print(response.text)const form = new FormData();
form.append('file', '<string>');
form.append('settings', '<string>');
const options = {method: 'PUT', headers: {'X-API-KEY': '<api-key>'}};
options.body = form;
fetch('https://api.us.poly.ai/v1/agents/{agentId}/audio-cache/{entryId}/details', 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.us.poly.ai/v1/agents/{agentId}/audio-cache/{entryId}/details",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "PUT",
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\r\nContent-Disposition: form-data; name=\"settings\"\r\n\r\n<string>\r\n-----011000010111000001101001--",
CURLOPT_HTTPHEADER => [
"Content-Type: multipart/form-data",
"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://api.us.poly.ai/v1/agents/{agentId}/audio-cache/{entryId}/details"
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\r\nContent-Disposition: form-data; name=\"settings\"\r\n\r\n<string>\r\n-----011000010111000001101001--")
req, _ := http.NewRequest("PUT", url, payload)
req.Header.Add("X-API-KEY", "<api-key>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.put("https://api.us.poly.ai/v1/agents/{agentId}/audio-cache/{entryId}/details")
.header("X-API-KEY", "<api-key>")
.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\r\nContent-Disposition: form-data; name=\"settings\"\r\n\r\n<string>\r\n-----011000010111000001101001--")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.us.poly.ai/v1/agents/{agentId}/audio-cache/{entryId}/details")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Put.new(url)
request["X-API-KEY"] = '<api-key>'
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\r\nContent-Disposition: form-data; name=\"settings\"\r\n\r\n<string>\r\n-----011000010111000001101001--"
response = http.request(request)
puts response.read_body{
"success": false,
"error": "<string>",
"error_id": "<string>",
"error_code": "<string>",
"error_message": "<string>",
"data": "<unknown>"
}{
"success": false,
"error": "<string>",
"error_id": "<string>",
"error_code": "<string>",
"error_message": "<string>",
"data": "<unknown>"
}{
"success": false,
"error": "<string>",
"error_id": "<string>",
"error_code": "<string>",
"error_message": "<string>",
"data": "<unknown>"
}{
"success": false,
"error": "<string>",
"error_id": "<string>",
"error_code": "<string>",
"error_message": "<string>",
"data": "<unknown>"
}Authorizations
Body
multipart/form-data
WAV audio file (max 6 MB)
JSON string with shape {"text": string, "config": VoiceTuningConfig}, where VoiceTuningConfig matches the VoiceTuningConfig schema. text is the transcript to associate with the cache entry; config carries provider-specific voice tuning settings.
Response
Audio and settings updated
Last modified on June 9, 2026
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⌘I
Replace audio file and voice tuning settings
curl --request PUT \
--url https://api.us.poly.ai/v1/agents/{agentId}/audio-cache/{entryId}/details \
--header 'Content-Type: multipart/form-data' \
--header 'X-API-KEY: <api-key>' \
--form file='@example-file' \
--form 'settings=<string>'import requests
url = "https://api.us.poly.ai/v1/agents/{agentId}/audio-cache/{entryId}/details"
files = { "file": ("example-file", open("example-file", "rb")) }
payload = { "settings": "<string>" }
headers = {"X-API-KEY": "<api-key>"}
response = requests.put(url, data=payload, files=files, headers=headers)
print(response.text)const form = new FormData();
form.append('file', '<string>');
form.append('settings', '<string>');
const options = {method: 'PUT', headers: {'X-API-KEY': '<api-key>'}};
options.body = form;
fetch('https://api.us.poly.ai/v1/agents/{agentId}/audio-cache/{entryId}/details', 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.us.poly.ai/v1/agents/{agentId}/audio-cache/{entryId}/details",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "PUT",
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\r\nContent-Disposition: form-data; name=\"settings\"\r\n\r\n<string>\r\n-----011000010111000001101001--",
CURLOPT_HTTPHEADER => [
"Content-Type: multipart/form-data",
"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://api.us.poly.ai/v1/agents/{agentId}/audio-cache/{entryId}/details"
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\r\nContent-Disposition: form-data; name=\"settings\"\r\n\r\n<string>\r\n-----011000010111000001101001--")
req, _ := http.NewRequest("PUT", url, payload)
req.Header.Add("X-API-KEY", "<api-key>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.put("https://api.us.poly.ai/v1/agents/{agentId}/audio-cache/{entryId}/details")
.header("X-API-KEY", "<api-key>")
.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\r\nContent-Disposition: form-data; name=\"settings\"\r\n\r\n<string>\r\n-----011000010111000001101001--")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.us.poly.ai/v1/agents/{agentId}/audio-cache/{entryId}/details")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Put.new(url)
request["X-API-KEY"] = '<api-key>'
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\r\nContent-Disposition: form-data; name=\"settings\"\r\n\r\n<string>\r\n-----011000010111000001101001--"
response = http.request(request)
puts response.read_body{
"success": false,
"error": "<string>",
"error_id": "<string>",
"error_code": "<string>",
"error_message": "<string>",
"data": "<unknown>"
}{
"success": false,
"error": "<string>",
"error_id": "<string>",
"error_code": "<string>",
"error_message": "<string>",
"data": "<unknown>"
}{
"success": false,
"error": "<string>",
"error_id": "<string>",
"error_code": "<string>",
"error_message": "<string>",
"data": "<unknown>"
}{
"success": false,
"error": "<string>",
"error_id": "<string>",
"error_code": "<string>",
"error_message": "<string>",
"data": "<unknown>"
}
