Update a Credential
curl --request POST \
--url https://api.checkfu.com/v1/vaults/{vault_id}/credentials/{credential_id} \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--header 'checkfu-beta: <checkfu-beta>' \
--header 'checkfu-version: <checkfu-version>' \
--data '
{
"auth": {
"type": "mcp_oauth",
"access_token": "<string>",
"expires_at": "<string>",
"refresh": {
"refresh_token": "<string>",
"scope": "<string>",
"token_endpoint_auth": {
"type": "client_secret_basic",
"client_secret": "<string>"
}
}
},
"display_name": "<string>",
"metadata": {}
}
'import requests
url = "https://api.checkfu.com/v1/vaults/{vault_id}/credentials/{credential_id}"
payload = {
"auth": {
"type": "mcp_oauth",
"access_token": "<string>",
"expires_at": "<string>",
"refresh": {
"refresh_token": "<string>",
"scope": "<string>",
"token_endpoint_auth": {
"type": "client_secret_basic",
"client_secret": "<string>"
}
}
},
"display_name": "<string>",
"metadata": {}
}
headers = {
"checkfu-version": "<checkfu-version>",
"checkfu-beta": "<checkfu-beta>",
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {
'checkfu-version': '<checkfu-version>',
'checkfu-beta': '<checkfu-beta>',
Authorization: 'Bearer <token>',
'Content-Type': 'application/json'
},
body: JSON.stringify({
auth: {
type: 'mcp_oauth',
access_token: '<string>',
expires_at: '<string>',
refresh: {
refresh_token: '<string>',
scope: '<string>',
token_endpoint_auth: {type: 'client_secret_basic', client_secret: '<string>'}
}
},
display_name: '<string>',
metadata: {}
})
};
fetch('https://api.checkfu.com/v1/vaults/{vault_id}/credentials/{credential_id}', 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.checkfu.com/v1/vaults/{vault_id}/credentials/{credential_id}",
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([
'auth' => [
'type' => 'mcp_oauth',
'access_token' => '<string>',
'expires_at' => '<string>',
'refresh' => [
'refresh_token' => '<string>',
'scope' => '<string>',
'token_endpoint_auth' => [
'type' => 'client_secret_basic',
'client_secret' => '<string>'
]
]
],
'display_name' => '<string>',
'metadata' => [
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json",
"checkfu-beta: <checkfu-beta>",
"checkfu-version: <checkfu-version>"
],
]);
$response = curl_exec($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.checkfu.com/v1/vaults/{vault_id}/credentials/{credential_id}"
payload := strings.NewReader("{\n \"auth\": {\n \"type\": \"mcp_oauth\",\n \"access_token\": \"<string>\",\n \"expires_at\": \"<string>\",\n \"refresh\": {\n \"refresh_token\": \"<string>\",\n \"scope\": \"<string>\",\n \"token_endpoint_auth\": {\n \"type\": \"client_secret_basic\",\n \"client_secret\": \"<string>\"\n }\n }\n },\n \"display_name\": \"<string>\",\n \"metadata\": {}\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("checkfu-version", "<checkfu-version>")
req.Header.Add("checkfu-beta", "<checkfu-beta>")
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://api.checkfu.com/v1/vaults/{vault_id}/credentials/{credential_id}")
.header("checkfu-version", "<checkfu-version>")
.header("checkfu-beta", "<checkfu-beta>")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"auth\": {\n \"type\": \"mcp_oauth\",\n \"access_token\": \"<string>\",\n \"expires_at\": \"<string>\",\n \"refresh\": {\n \"refresh_token\": \"<string>\",\n \"scope\": \"<string>\",\n \"token_endpoint_auth\": {\n \"type\": \"client_secret_basic\",\n \"client_secret\": \"<string>\"\n }\n }\n },\n \"display_name\": \"<string>\",\n \"metadata\": {}\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.checkfu.com/v1/vaults/{vault_id}/credentials/{credential_id}")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["checkfu-version"] = '<checkfu-version>'
request["checkfu-beta"] = '<checkfu-beta>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"auth\": {\n \"type\": \"mcp_oauth\",\n \"access_token\": \"<string>\",\n \"expires_at\": \"<string>\",\n \"refresh\": {\n \"refresh_token\": \"<string>\",\n \"scope\": \"<string>\",\n \"token_endpoint_auth\": {\n \"type\": \"client_secret_basic\",\n \"client_secret\": \"<string>\"\n }\n }\n },\n \"display_name\": \"<string>\",\n \"metadata\": {}\n}"
response = http.request(request)
puts response.read_body{
"id": "<string>",
"archived_at": "<string>",
"auth": {
"mcp_server_url": "<string>",
"type": "mcp_oauth",
"expires_at": "<string>",
"refresh": {
"client_id": "<string>",
"token_endpoint": "<string>",
"token_endpoint_auth": {
"type": "none"
},
"resource": "<string>",
"scope": "<string>"
}
},
"created_at": "<string>",
"metadata": {},
"type": "vault_credential",
"updated_at": "<string>",
"vault_id": "<string>",
"display_name": "<string>"
}{
"error": {
"type": "validation.malformed",
"message": "<string>",
"more": "https://docs.checkfu.com/reference/errors#validation-malformed"
}
}{
"error": {
"type": "auth.invalid_key",
"message": "<string>",
"more": "https://docs.checkfu.com/reference/errors#auth-invalid-key"
}
}{
"error": {
"type": "auth.disabled_tenancy",
"message": "<string>",
"more": "https://docs.checkfu.com/reference/errors#auth-disabled-tenancy"
}
}{
"error": {
"type": "validation.not_found",
"message": "<string>",
"more": "https://docs.checkfu.com/reference/errors#validation-not-found"
}
}{
"error": {
"type": "validation.conflict",
"message": "<string>",
"more": "https://docs.checkfu.com/reference/errors#validation-conflict"
}
}{
"error": {
"type": "budget.exceeded",
"message": "<string>",
"more": "https://docs.checkfu.com/reference/errors#budget-exceeded"
}
}{
"error": {
"type": "runtime.internal",
"message": "<string>",
"more": "https://docs.checkfu.com/reference/errors#runtime-internal"
}
}Update a Credential
Updates CMA Credential metadata and rotates write-only secret material without changing its immutable MCP server URL or environment-variable name.
Checkfu support posture: alpha; hosted. Required evidence journey: connection-lifecycle. Deployment-specific readiness and the latest proven release are available from GET /v1/support/capabilities.
POST
/
v1
/
vaults
/
{vault_id}
/
credentials
/
{credential_id}
Update a Credential
curl --request POST \
--url https://api.checkfu.com/v1/vaults/{vault_id}/credentials/{credential_id} \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--header 'checkfu-beta: <checkfu-beta>' \
--header 'checkfu-version: <checkfu-version>' \
--data '
{
"auth": {
"type": "mcp_oauth",
"access_token": "<string>",
"expires_at": "<string>",
"refresh": {
"refresh_token": "<string>",
"scope": "<string>",
"token_endpoint_auth": {
"type": "client_secret_basic",
"client_secret": "<string>"
}
}
},
"display_name": "<string>",
"metadata": {}
}
'import requests
url = "https://api.checkfu.com/v1/vaults/{vault_id}/credentials/{credential_id}"
payload = {
"auth": {
"type": "mcp_oauth",
"access_token": "<string>",
"expires_at": "<string>",
"refresh": {
"refresh_token": "<string>",
"scope": "<string>",
"token_endpoint_auth": {
"type": "client_secret_basic",
"client_secret": "<string>"
}
}
},
"display_name": "<string>",
"metadata": {}
}
headers = {
"checkfu-version": "<checkfu-version>",
"checkfu-beta": "<checkfu-beta>",
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {
'checkfu-version': '<checkfu-version>',
'checkfu-beta': '<checkfu-beta>',
Authorization: 'Bearer <token>',
'Content-Type': 'application/json'
},
body: JSON.stringify({
auth: {
type: 'mcp_oauth',
access_token: '<string>',
expires_at: '<string>',
refresh: {
refresh_token: '<string>',
scope: '<string>',
token_endpoint_auth: {type: 'client_secret_basic', client_secret: '<string>'}
}
},
display_name: '<string>',
metadata: {}
})
};
fetch('https://api.checkfu.com/v1/vaults/{vault_id}/credentials/{credential_id}', 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.checkfu.com/v1/vaults/{vault_id}/credentials/{credential_id}",
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([
'auth' => [
'type' => 'mcp_oauth',
'access_token' => '<string>',
'expires_at' => '<string>',
'refresh' => [
'refresh_token' => '<string>',
'scope' => '<string>',
'token_endpoint_auth' => [
'type' => 'client_secret_basic',
'client_secret' => '<string>'
]
]
],
'display_name' => '<string>',
'metadata' => [
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json",
"checkfu-beta: <checkfu-beta>",
"checkfu-version: <checkfu-version>"
],
]);
$response = curl_exec($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.checkfu.com/v1/vaults/{vault_id}/credentials/{credential_id}"
payload := strings.NewReader("{\n \"auth\": {\n \"type\": \"mcp_oauth\",\n \"access_token\": \"<string>\",\n \"expires_at\": \"<string>\",\n \"refresh\": {\n \"refresh_token\": \"<string>\",\n \"scope\": \"<string>\",\n \"token_endpoint_auth\": {\n \"type\": \"client_secret_basic\",\n \"client_secret\": \"<string>\"\n }\n }\n },\n \"display_name\": \"<string>\",\n \"metadata\": {}\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("checkfu-version", "<checkfu-version>")
req.Header.Add("checkfu-beta", "<checkfu-beta>")
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://api.checkfu.com/v1/vaults/{vault_id}/credentials/{credential_id}")
.header("checkfu-version", "<checkfu-version>")
.header("checkfu-beta", "<checkfu-beta>")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"auth\": {\n \"type\": \"mcp_oauth\",\n \"access_token\": \"<string>\",\n \"expires_at\": \"<string>\",\n \"refresh\": {\n \"refresh_token\": \"<string>\",\n \"scope\": \"<string>\",\n \"token_endpoint_auth\": {\n \"type\": \"client_secret_basic\",\n \"client_secret\": \"<string>\"\n }\n }\n },\n \"display_name\": \"<string>\",\n \"metadata\": {}\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.checkfu.com/v1/vaults/{vault_id}/credentials/{credential_id}")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["checkfu-version"] = '<checkfu-version>'
request["checkfu-beta"] = '<checkfu-beta>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"auth\": {\n \"type\": \"mcp_oauth\",\n \"access_token\": \"<string>\",\n \"expires_at\": \"<string>\",\n \"refresh\": {\n \"refresh_token\": \"<string>\",\n \"scope\": \"<string>\",\n \"token_endpoint_auth\": {\n \"type\": \"client_secret_basic\",\n \"client_secret\": \"<string>\"\n }\n }\n },\n \"display_name\": \"<string>\",\n \"metadata\": {}\n}"
response = http.request(request)
puts response.read_body{
"id": "<string>",
"archived_at": "<string>",
"auth": {
"mcp_server_url": "<string>",
"type": "mcp_oauth",
"expires_at": "<string>",
"refresh": {
"client_id": "<string>",
"token_endpoint": "<string>",
"token_endpoint_auth": {
"type": "none"
},
"resource": "<string>",
"scope": "<string>"
}
},
"created_at": "<string>",
"metadata": {},
"type": "vault_credential",
"updated_at": "<string>",
"vault_id": "<string>",
"display_name": "<string>"
}{
"error": {
"type": "validation.malformed",
"message": "<string>",
"more": "https://docs.checkfu.com/reference/errors#validation-malformed"
}
}{
"error": {
"type": "auth.invalid_key",
"message": "<string>",
"more": "https://docs.checkfu.com/reference/errors#auth-invalid-key"
}
}{
"error": {
"type": "auth.disabled_tenancy",
"message": "<string>",
"more": "https://docs.checkfu.com/reference/errors#auth-disabled-tenancy"
}
}{
"error": {
"type": "validation.not_found",
"message": "<string>",
"more": "https://docs.checkfu.com/reference/errors#validation-not-found"
}
}{
"error": {
"type": "validation.conflict",
"message": "<string>",
"more": "https://docs.checkfu.com/reference/errors#validation-conflict"
}
}{
"error": {
"type": "budget.exceeded",
"message": "<string>",
"more": "https://docs.checkfu.com/reference/errors#budget-exceeded"
}
}{
"error": {
"type": "runtime.internal",
"message": "<string>",
"more": "https://docs.checkfu.com/reference/errors#runtime-internal"
}
}Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Headers
Available options:
2026-08-27 Maximum string length:
255Path Parameters
Pattern:
^vlt_[0-9a-f]{32}$Pattern:
^vcrd_[0-9a-f]{32}$Body
application/json
Response
A write-only Credential stored in a Vault; sensitive fields are never returned.
A write-only Credential stored in a Vault; sensitive fields are never returned.
Pattern:
^vcrd_[0-9a-f]{32}$A canonical UTC ISO-8601 timestamp with millisecond precision.
Maximum string length:
24Pattern:
^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z$- Option 1
- Option 2
- Option 3
Show child attributes
Show child attributes
A canonical UTC ISO-8601 timestamp with millisecond precision.
Maximum string length:
24Pattern:
^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z$at most 16 correlation pairs with keys of 1 to 64 characters
Show child attributes
Show child attributes
Available options:
vault_credential A canonical UTC ISO-8601 timestamp with millisecond precision.
Maximum string length:
24Pattern:
^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z$Pattern:
^vlt_[0-9a-f]{32}$Human-readable Credential name containing 1 to 255 characters.
Required string length:
1 - 255