curl --request POST \
--url https://compute.{region}.basaltic.sh/v1/instances/{instance_id}/reinstall \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"image": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
"size_gb": 40
}
'import requests
url = "https://compute.{region}.basaltic.sh/v1/instances/{instance_id}/reinstall"
payload = {
"image": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
"size_gb": 40
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({image: 'f47ac10b-58cc-4372-a567-0e02b2c3d479', size_gb: 40})
};
fetch('https://compute.{region}.basaltic.sh/v1/instances/{instance_id}/reinstall', 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://compute.{region}.basaltic.sh/v1/instances/{instance_id}/reinstall",
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([
'image' => 'f47ac10b-58cc-4372-a567-0e02b2c3d479',
'size_gb' => 40
]),
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://compute.{region}.basaltic.sh/v1/instances/{instance_id}/reinstall"
payload := strings.NewReader("{\n \"image\": \"f47ac10b-58cc-4372-a567-0e02b2c3d479\",\n \"size_gb\": 40\n}")
req, _ := http.NewRequest("POST", 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.post("https://compute.{region}.basaltic.sh/v1/instances/{instance_id}/reinstall")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"image\": \"f47ac10b-58cc-4372-a567-0e02b2c3d479\",\n \"size_gb\": 40\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://compute.{region}.basaltic.sh/v1/instances/{instance_id}/reinstall")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"image\": \"f47ac10b-58cc-4372-a567-0e02b2c3d479\",\n \"size_gb\": 40\n}"
response = http.request(request)
puts response.read_body{
"error": {
"code": "INVALID_INPUT",
"message": "Invalid request parameters",
"request_id": "550e8400-e29b-41d4-a716-446655440000"
}
}{
"error": {
"code": "UNAUTHORIZED",
"message": "Authentication required",
"request_id": "550e8400-e29b-41d4-a716-446655440000"
}
}{
"error": {
"code": "ACCESS_DENIED",
"message": "You don't have permission to perform this action",
"request_id": "550e8400-e29b-41d4-a716-446655440000"
}
}{
"error": {
"code": "NOT_FOUND",
"message": "Resource not found",
"request_id": "550e8400-e29b-41d4-a716-446655440000"
}
}{
"error": {
"code": "INVALID_INPUT",
"message": "Invalid request parameters",
"request_id": "550e8400-e29b-41d4-a716-446655440000",
"params": {
"instances": 2,
"pools": 0
}
}
}{
"error": {
"code": "IDEMPOTENCY_KEY_REUSED",
"message": "This Idempotency-Key was already used with a different request payload",
"request_id": "550e8400-e29b-41d4-a716-446655440000"
}
}{
"error": {
"code": "INTERNAL_ERROR",
"message": "An internal error occurred",
"request_id": "550e8400-e29b-41d4-a716-446655440000"
}
}Reinstall instance
Re-image a STOPPED instance’s boot volume from an image (the current one, or a new image), keeping the instance’s identity — id, name, IPs, and cloud-init seed. The replacement is sized and tiered by size_gb and volume_type, defaulting to the image’s min_disk_gb on the region default tier. The old boot volume is deleted; attached data volumes are untouched. The new OS is applied on the next start.
curl --request POST \
--url https://compute.{region}.basaltic.sh/v1/instances/{instance_id}/reinstall \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"image": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
"size_gb": 40
}
'import requests
url = "https://compute.{region}.basaltic.sh/v1/instances/{instance_id}/reinstall"
payload = {
"image": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
"size_gb": 40
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({image: 'f47ac10b-58cc-4372-a567-0e02b2c3d479', size_gb: 40})
};
fetch('https://compute.{region}.basaltic.sh/v1/instances/{instance_id}/reinstall', 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://compute.{region}.basaltic.sh/v1/instances/{instance_id}/reinstall",
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([
'image' => 'f47ac10b-58cc-4372-a567-0e02b2c3d479',
'size_gb' => 40
]),
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://compute.{region}.basaltic.sh/v1/instances/{instance_id}/reinstall"
payload := strings.NewReader("{\n \"image\": \"f47ac10b-58cc-4372-a567-0e02b2c3d479\",\n \"size_gb\": 40\n}")
req, _ := http.NewRequest("POST", 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.post("https://compute.{region}.basaltic.sh/v1/instances/{instance_id}/reinstall")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"image\": \"f47ac10b-58cc-4372-a567-0e02b2c3d479\",\n \"size_gb\": 40\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://compute.{region}.basaltic.sh/v1/instances/{instance_id}/reinstall")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"image\": \"f47ac10b-58cc-4372-a567-0e02b2c3d479\",\n \"size_gb\": 40\n}"
response = http.request(request)
puts response.read_body{
"error": {
"code": "INVALID_INPUT",
"message": "Invalid request parameters",
"request_id": "550e8400-e29b-41d4-a716-446655440000"
}
}{
"error": {
"code": "UNAUTHORIZED",
"message": "Authentication required",
"request_id": "550e8400-e29b-41d4-a716-446655440000"
}
}{
"error": {
"code": "ACCESS_DENIED",
"message": "You don't have permission to perform this action",
"request_id": "550e8400-e29b-41d4-a716-446655440000"
}
}{
"error": {
"code": "NOT_FOUND",
"message": "Resource not found",
"request_id": "550e8400-e29b-41d4-a716-446655440000"
}
}{
"error": {
"code": "INVALID_INPUT",
"message": "Invalid request parameters",
"request_id": "550e8400-e29b-41d4-a716-446655440000",
"params": {
"instances": 2,
"pools": 0
}
}
}{
"error": {
"code": "IDEMPOTENCY_KEY_REUSED",
"message": "This Idempotency-Key was already used with a different request payload",
"request_id": "550e8400-e29b-41d4-a716-446655440000"
}
}{
"error": {
"code": "INTERNAL_ERROR",
"message": "An internal error occurred",
"request_id": "550e8400-e29b-41d4-a716-446655440000"
}
}compute:ReinstallInstance. See COMPUTE permissions for the full list, what each one covers, and an example policy.Authorizations
An OAuth 2.0 bearer token, sent as Authorization: Bearer <token>.
This is the recommended way to authenticate.
Get one by exchanging a service account's access key pair at
POST /v1/oauth/token with grant_type=client_credentials. It is the
standard client-credentials grant, so any OAuth-aware library will
obtain and refresh it for you.
curl -s -u "$KEY_ID:$SECRET" -d grant_type=client_credentials \ https://iam.basaltic.sh/v1/oauth/token
Tokens last an hour by default. The same access key pair is separately your AWS SigV4 credential for the S3-compatible object endpoint, which speaks nothing else.
Headers
Optional client-generated key that makes a create replay-safe. Retrying a request with the same key returns the original outcome verbatim instead of creating a duplicate resource. Reusing a key with a different request body is rejected (422); a request whose key is still being processed returns 409. Records are honored for 24 hours. Use a UUID or similarly unique token.
255Path Parameters
Instance ID
Body
Replacement image reference (UUID, architecture-qualified CRN, name or name:version). Omit to reinstall from the instance's current image.
"f47ac10b-58cc-4372-a567-0e02b2c3d479"
Replacement boot disk size; omitted = the image's min_disk_gb. Must be within the volume size range (1..16384) and at least the image's min_disk_gb.
1 <= x <= 1638440
Replacement boot disk tier; omitted = the region default.
ssd, nvme Response
Request accepted, processing asynchronously. The action is fire-and-forget — the body is empty; poll the resource to observe the resulting state transition.

