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PATCH
/
account
/
fallback
Set global fallback chain
curl --request PATCH \
  --url https://api.lava.so/v1/account/fallback \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "fallback_chain": [
    {
      "url": "api.openai.com/v1/chat/completions",
      "model": "gpt-4o-mini"
    }
  ]
}
'
import requests

url = "https://api.lava.so/v1/account/fallback"

payload = { "fallback_chain": [
        {
            "url": "api.openai.com/v1/chat/completions",
            "model": "gpt-4o-mini"
        }
    ] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)
const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    fallback_chain: [{url: 'api.openai.com/v1/chat/completions', model: 'gpt-4o-mini'}]
  })
};

fetch('https://api.lava.so/v1/account/fallback', 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.lava.so/v1/account/fallback",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'fallback_chain' => [
        [
                'url' => 'api.openai.com/v1/chat/completions',
                'model' => 'gpt-4o-mini'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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.lava.so/v1/account/fallback"

	payload := strings.NewReader("{\n  \"fallback_chain\": [\n    {\n      \"url\": \"api.openai.com/v1/chat/completions\",\n      \"model\": \"gpt-4o-mini\"\n    }\n  ]\n}")

	req, _ := http.NewRequest("PATCH", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	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.patch("https://api.lava.so/v1/account/fallback")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"fallback_chain\": [\n    {\n      \"url\": \"api.openai.com/v1/chat/completions\",\n      \"model\": \"gpt-4o-mini\"\n    }\n  ]\n}")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://api.lava.so/v1/account/fallback")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"fallback_chain\": [\n    {\n      \"url\": \"api.openai.com/v1/chat/completions\",\n      \"model\": \"gpt-4o-mini\"\n    }\n  ]\n}"

response = http.request(request)
puts response.read_body
{
  "success": true
}
{
  "error": {
    "message": "Invalid authentication credentials",
    "code": "forward_token_json_invalid",
    "status": 400,
    "issues": [
      {
        "path": [
          "model"
        ],
        "message": "Missing required field: model"
      },
      {
        "path": [
          "messages",
          "0",
          "content"
        ],
        "message": "Invalid message content format"
      }
    ]
  }
}
{
  "error": {
    "message": "Invalid authentication credentials",
    "code": "forward_token_json_invalid",
    "status": 400,
    "issues": [
      {
        "path": [
          "model"
        ],
        "message": "Missing required field: model"
      },
      {
        "path": [
          "messages",
          "0",
          "content"
        ],
        "message": "Invalid message content format"
      }
    ]
  }
}

Authorizations

Authorization
string
header
required

Bearer token authentication used for standard API calls. Format: 'Bearer YOUR_API_KEY'

Body

application/json
fallback_chain
object[] | null
required

Fallback chain entries, or null to clear

Response

Fallback chain updated

success
boolean
Example:

true