Create a new session

curl --request POST \
  --url https://api.svantic.com/sessions/init \
  --header 'Content-Type: application/json' \
  --data '
{
  "instance_id": "string",
  "user_id": "string"
}
'

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({instance_id: 'string', user_id: 'string'})
};

fetch('https://api.svantic.com/sessions/init', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.svantic.com/sessions/init"

payload = {
    "instance_id": "string",
    "user_id": "string"
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.svantic.com/sessions/init"

	payload := strings.NewReader("{\n  \"instance_id\": \"string\",\n  \"user_id\": \"string\"\n}")

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

	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))

}

{
  "session_id": "string",
  "instance_id": "string",
  "agent_type": "string"
}

{
  "error": "string",
  "code": "string"
}

{
  "error": "Invalid or expired token",
  "code": "unauthorized"
}

{
  "error": "string",
  "code": "string"
}

{
  "error": "string",
  "code": "string"
}

{
  "error": "Request timeout",
  "code": "REQUEST_TIMEOUT"
}

{
  "error": "string",
  "code": "string"
}

{
  "error": "Internal server error",
  "code": "INTERNAL_ERROR",
  "request_id": "req_01EXAMPLE",
  "timestamp": "2026-03-31T12:00:00.000Z"
}

{
  "error": "Bad gateway",
  "code": "BAD_GATEWAY"
}

{
  "error": "Service temporarily unavailable",
  "code": "SERVICE_UNAVAILABLE"
}