curl --request GET \
--url https://k8mfogcvz4.execute-api.us-east-1.amazonaws.com/prod/v1/languages \
--header 'Authorization: Bearer <token>'import requests
url = "https://k8mfogcvz4.execute-api.us-east-1.amazonaws.com/prod/v1/languages"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://k8mfogcvz4.execute-api.us-east-1.amazonaws.com/prod/v1/languages', 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://k8mfogcvz4.execute-api.us-east-1.amazonaws.com/prod/v1/languages",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://k8mfogcvz4.execute-api.us-east-1.amazonaws.com/prod/v1/languages"
req, _ := http.NewRequest("GET", url, nil)
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.get("https://k8mfogcvz4.execute-api.us-east-1.amazonaws.com/prod/v1/languages")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://k8mfogcvz4.execute-api.us-east-1.amazonaws.com/prod/v1/languages")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"data": [
{
"language": "en",
"engine": "whisper-large-v3-turbo",
"support_tier": "benchmarked",
"max_timing_precision": "word"
},
{
"language": "fr",
"engine": "whisper-large-v3-turbo",
"support_tier": "supported",
"max_timing_precision": "word"
},
{
"language": "haw",
"engine": "whisper-large-v3-turbo",
"support_tier": "supported",
"max_timing_precision": "word"
}
]
}{
"error": {
"code": "invalid_request",
"type": "invalid_request",
"message": "<string>",
"doc_url": "<string>",
"request_id": "<string>",
"retryable": true
}
}{
"error": {
"code": "invalid_request",
"type": "invalid_request",
"message": "<string>",
"doc_url": "<string>",
"request_id": "<string>",
"retryable": true
}
}{
"error": {
"code": "invalid_request",
"type": "invalid_request",
"message": "<string>",
"doc_url": "<string>",
"request_id": "<string>",
"retryable": true
}
}Pinned engine route and support tier per language
Support tier (benchmarked | supported | best_effort) and timing capability per language; no diarization field at launch. A caller relying on automatic detection to reach a language outside the default engine’s coverage must instead pass language explicitly on POST /v1/transcripts.
curl --request GET \
--url https://k8mfogcvz4.execute-api.us-east-1.amazonaws.com/prod/v1/languages \
--header 'Authorization: Bearer <token>'import requests
url = "https://k8mfogcvz4.execute-api.us-east-1.amazonaws.com/prod/v1/languages"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://k8mfogcvz4.execute-api.us-east-1.amazonaws.com/prod/v1/languages', 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://k8mfogcvz4.execute-api.us-east-1.amazonaws.com/prod/v1/languages",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://k8mfogcvz4.execute-api.us-east-1.amazonaws.com/prod/v1/languages"
req, _ := http.NewRequest("GET", url, nil)
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.get("https://k8mfogcvz4.execute-api.us-east-1.amazonaws.com/prod/v1/languages")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://k8mfogcvz4.execute-api.us-east-1.amazonaws.com/prod/v1/languages")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"data": [
{
"language": "en",
"engine": "whisper-large-v3-turbo",
"support_tier": "benchmarked",
"max_timing_precision": "word"
},
{
"language": "fr",
"engine": "whisper-large-v3-turbo",
"support_tier": "supported",
"max_timing_precision": "word"
},
{
"language": "haw",
"engine": "whisper-large-v3-turbo",
"support_tier": "supported",
"max_timing_precision": "word"
}
]
}{
"error": {
"code": "invalid_request",
"type": "invalid_request",
"message": "<string>",
"doc_url": "<string>",
"request_id": "<string>",
"retryable": true
}
}{
"error": {
"code": "invalid_request",
"type": "invalid_request",
"message": "<string>",
"doc_url": "<string>",
"request_id": "<string>",
"retryable": true
}
}{
"error": {
"code": "invalid_request",
"type": "invalid_request",
"message": "<string>",
"doc_url": "<string>",
"request_id": "<string>",
"retryable": true
}
}Authorizations
Authorization: Bearer hk_live_... for live keys or Authorization: Bearer hk_test_... for test-mode keys. hk_test_ keys resolve real public catalog metadata but return deterministic committed fixtures, never call inference, and never mutate live credits. This is the only transport for the credential: the x-api-key alias once documented was removed in 0.2.0, because the edge authorizer reads Authorization as its single identity source and a request on any other header is refused before it is authenticated.
Never accepted on a dashboardJwt operation, and there are no exceptions. GET /v1/usage and GET /v1/limits briefly declared both schemes (0.8.0); that was withdrawn in 0.8.1 because no deployed route could honor it — both operations are served by the control-plane API, whose authorizer verifies a Cognito token and refuses an hk_live_ credential on shape, and the customer API does not route either path. An API-key holder reads its balance and reservation from QuoteResponse, which carries balance_credits and reserved_credits on every quote. Every operation in this document takes one scheme or the other and refuses the wrong one as unauthenticated.
Response
The full supported-language list.
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