curl --request POST \
--url https://api.mixpeek.com/v1/agents/sessions/{session_id}/confirmations/{confirmation_id} \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--header 'X-Namespace: <api-key>' \
--data '
{
"approved": true
}
'import requests
url = "https://api.mixpeek.com/v1/agents/sessions/{session_id}/confirmations/{confirmation_id}"
payload = { "approved": True }
headers = {
"Authorization": "Bearer <token>",
"X-Namespace": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {
Authorization: 'Bearer <token>',
'X-Namespace': '<api-key>',
'Content-Type': 'application/json'
},
body: JSON.stringify({approved: true})
};
fetch('https://api.mixpeek.com/v1/agents/sessions/{session_id}/confirmations/{confirmation_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.mixpeek.com/v1/agents/sessions/{session_id}/confirmations/{confirmation_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([
'approved' => true
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json",
"X-Namespace: <api-key>"
],
]);
$response = curl_exec($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.mixpeek.com/v1/agents/sessions/{session_id}/confirmations/{confirmation_id}"
payload := strings.NewReader("{\n \"approved\": true\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("X-Namespace", "<api-key>")
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.mixpeek.com/v1/agents/sessions/{session_id}/confirmations/{confirmation_id}")
.header("Authorization", "Bearer <token>")
.header("X-Namespace", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"approved\": true\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.mixpeek.com/v1/agents/sessions/{session_id}/confirmations/{confirmation_id}")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["X-Namespace"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"approved\": true\n}"
response = http.request(request)
puts response.read_body{
"error": {
"details": {
"id": "ns_123",
"resource": "namespace"
},
"message": "Namespace not found",
"type": "NotFoundError"
},
"status": 404,
"success": false
}{
"error": {
"details": {
"id": "ns_123",
"resource": "namespace"
},
"message": "Namespace not found",
"type": "NotFoundError"
},
"status": 404,
"success": false
}{
"error": {
"details": {
"id": "ns_123",
"resource": "namespace"
},
"message": "Namespace not found",
"type": "NotFoundError"
},
"status": 404,
"success": false
}{
"error": {
"details": {
"id": "ns_123",
"resource": "namespace"
},
"message": "Namespace not found",
"type": "NotFoundError"
},
"status": 404,
"success": false
}{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>",
"input": "<unknown>",
"ctx": {}
}
]
}{
"error": {
"details": {
"id": "ns_123",
"resource": "namespace"
},
"message": "Namespace not found",
"type": "NotFoundError"
},
"status": 404,
"success": false
}Respond To Confirmation
Respond to a pending confirmation for a write operation.
When the agent requests a write operation (create, update, delete),
the stream pauses and emits a confirmation_required event. The user
must call this endpoint to approve or deny the action.
After responding, this endpoint returns a new SSE stream that continues the agent’s execution from where it paused.
Confirmation Workflow
- User sends message via POST /sessions//messages
- Agent proposes a write operation
- Stream emits
confirmation_requiredevent withconfirmation_id - User calls this endpoint with
approved: true/false - This endpoint returns SSE stream continuing the agent’s work
- If approved, agent executes the tool and continues
- If denied, agent acknowledges and continues without executing
Confirmation Expiration
Confirmations expire after 5 minutes. Attempting to respond to an expired confirmation returns a 400 error.
Args:
request: FastAPI request with tenant context
session_id: Session identifier
confirmation_id: Confirmation identifier from confirmation_required event
payload: Approval/denial decision
Returns: StreamingResponse with SSE events (continuation of agent execution)
Raises: NotFoundError: If session or confirmation not found ValidationError: If confirmation already processed or expired
Example:
# Approve a pending action
curl -N -X POST http://localhost:8000/v1/agents/sessions/ses_abc/confirmations/conf_xyz \
-H "Authorization: Bearer {api_key}" \
-H "X-Namespace: {namespace_id}" \
-H "Content-Type: application/json" \
-d '{"approved": true}'
# SSE Output (continuation):
event: tool_result
data: {"tool_name": "delete_collection", "success": true, "result": {...}}
event: token
data: {"content": "I've deleted the collection as requested."}
event: done
data: {}
curl --request POST \
--url https://api.mixpeek.com/v1/agents/sessions/{session_id}/confirmations/{confirmation_id} \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--header 'X-Namespace: <api-key>' \
--data '
{
"approved": true
}
'import requests
url = "https://api.mixpeek.com/v1/agents/sessions/{session_id}/confirmations/{confirmation_id}"
payload = { "approved": True }
headers = {
"Authorization": "Bearer <token>",
"X-Namespace": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {
Authorization: 'Bearer <token>',
'X-Namespace': '<api-key>',
'Content-Type': 'application/json'
},
body: JSON.stringify({approved: true})
};
fetch('https://api.mixpeek.com/v1/agents/sessions/{session_id}/confirmations/{confirmation_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.mixpeek.com/v1/agents/sessions/{session_id}/confirmations/{confirmation_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([
'approved' => true
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json",
"X-Namespace: <api-key>"
],
]);
$response = curl_exec($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.mixpeek.com/v1/agents/sessions/{session_id}/confirmations/{confirmation_id}"
payload := strings.NewReader("{\n \"approved\": true\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("X-Namespace", "<api-key>")
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.mixpeek.com/v1/agents/sessions/{session_id}/confirmations/{confirmation_id}")
.header("Authorization", "Bearer <token>")
.header("X-Namespace", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"approved\": true\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.mixpeek.com/v1/agents/sessions/{session_id}/confirmations/{confirmation_id}")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["X-Namespace"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"approved\": true\n}"
response = http.request(request)
puts response.read_body{
"error": {
"details": {
"id": "ns_123",
"resource": "namespace"
},
"message": "Namespace not found",
"type": "NotFoundError"
},
"status": 404,
"success": false
}{
"error": {
"details": {
"id": "ns_123",
"resource": "namespace"
},
"message": "Namespace not found",
"type": "NotFoundError"
},
"status": 404,
"success": false
}{
"error": {
"details": {
"id": "ns_123",
"resource": "namespace"
},
"message": "Namespace not found",
"type": "NotFoundError"
},
"status": 404,
"success": false
}{
"error": {
"details": {
"id": "ns_123",
"resource": "namespace"
},
"message": "Namespace not found",
"type": "NotFoundError"
},
"status": 404,
"success": false
}{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>",
"input": "<unknown>",
"ctx": {}
}
]
}{
"error": {
"details": {
"id": "ns_123",
"resource": "namespace"
},
"message": "Namespace not found",
"type": "NotFoundError"
},
"status": 404,
"success": false
}Authorizations
Mixpeek API key, sent as Authorization: Bearer mxp_sk_.... Create one in Studio under Settings → API Keys, or with an admin key via POST /v1/organizations/users/{user_email}/api-keys. A missing header returns 403; an invalid or revoked key returns 401.
Namespace id (ns_...), not the namespace name. This scopes the request rather than authenticating it, and it is required on every operation marked x-mixpeek-namespace-scoped.
Body
Request to approve or deny a pending confirmation.
True to approve, False to deny the action
Response
Successful Response
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