Notion

Access the Notion API with managed OAuth authentication. Query databases, create pages, manage blocks, and search your workspace.

Quick Start

# Search for pages
python <<'EOF'
import urllib.request, os, json
data = json.dumps({'query': 'meeting notes'}).encode()
req = urllib.request.Request('https://gateway.maton.ai/notion/v1/search', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
req.add_header('Notion-Version', '2025-09-03')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Base URL

https://gateway.maton.ai/notion/{native-api-path}

Replace

{native-api-path}

with the actual Notion API endpoint path. The gateway proxies requests to

api.notion.com

and automatically injects your OAuth token.

Required Headers

All Notion API requests require the version header:

Notion-Version: 2025-09-03

Authentication

All requests require the Maton API key in the Authorization header:

Authorization: Bearer $MATON_API_KEY

Environment Variable: Set your API key as

MATON_API_KEY

export MATON_API_KEY="YOUR_API_KEY"

Getting Your API Key

Sign in or create an account at maton.ai
Go to maton.ai/settings
Copy your API key

Connection Management

Manage your Notion OAuth connections at

https://ctrl.maton.ai

List Connections

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections?app=notion&status=ACTIVE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Create Connection

python <<'EOF'
import urllib.request, os, json
data = json.dumps({'app': 'notion'}).encode()
req = urllib.request.Request('https://ctrl.maton.ai/connections', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Get Connection

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

{
  "connection": {
    "connection_id": "21fd90f9-5935-43cd-b6c8-bde9d915ca80",
    "status": "ACTIVE",
    "creation_time": "2025-12-08T07:20:53.488460Z",
    "last_updated_time": "2026-01-31T20:03:32.593153Z",
    "url": "https://connect.maton.ai/?session_token=...",
    "app": "notion",
    "method": "OAUTH2",
    "metadata": {}
  }
}

Open the returned

url

in a browser to complete OAuth authorization.

Delete Connection

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}', method='DELETE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Specifying Connection

If you have multiple Notion connections, specify which one to use with the

Maton-Connection

header:

python <<'EOF'
import urllib.request, os, json
data = json.dumps({'query': 'meeting notes'}).encode()
req = urllib.request.Request('https://gateway.maton.ai/notion/v1/search', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
req.add_header('Notion-Version', '2025-09-03')
req.add_header('Maton-Connection', '21fd90f9-5935-43cd-b6c8-bde9d915ca80')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

If omitted, the gateway uses the default (oldest) active connection.

Key Concept: Databases vs Data Sources

In API version 2025-09-03, databases and data sources are separate:

Concept	Use For
Database	Creating databases, getting data source IDs
Data Source	Querying, updating schema, updating properties

Use

GET /databases/{id}

to get the

data_sources

array, then use

/data_sources/

endpoints:

{
  "object": "database",
  "id": "abc123",
  "data_sources": [
    {"id": "def456", "name": "My Database"}
  ]
}

API Reference

Search

Search for pages:

POST /notion/v1/search
Content-Type: application/json
Notion-Version: 2025-09-03

{
"query": "meeting notes",
"filter": {"property": "object", "value": "page"}
}

Search for data sources:

POST /notion/v1/search
Content-Type: application/json
Notion-Version: 2025-09-03
{
"filter": {"property": "object", "value": "data_source"}
}

Data Sources

Get Data Source

GET /notion/v1/data_sources/{dataSourceId}
Notion-Version: 2025-09-03

Query Data Source

POST /notion/v1/data_sources/{dataSourceId}/query
Content-Type: application/json
Notion-Version: 2025-09-03
{
"filter": {
"property": "Status",
"select": {"equals": "Active"}
},
"sorts": [
{"property": "Created", "direction": "descending"}
],
"page_size": 100
}

Update Data Source

PATCH /notion/v1/data_sources/{dataSourceId}
Content-Type: application/json
Notion-Version: 2025-09-03
{
"title": [{"type": "text", "text": {"content": "Updated Title"}}],
"properties": {
"NewColumn": {"rich_text": {}}
}
}

Databases

Get Database

GET /notion/v1/databases/{databaseId}
Notion-Version: 2025-09-03

Create Database

POST /notion/v1/databases
Content-Type: application/json
Notion-Version: 2025-09-03
{
"parent": {"type": "page_id", "page_id": "PARENT_PAGE_ID"},
"title": [{"type": "text", "text": {"content": "New Database"}}],
"properties": {
"Name": {"title": {}},
"Status": {"select": {"options": [{"name": "Active"}, {"name": "Done"}]}}
}
}

Pages

Get Page

GET /notion/v1/pages/{pageId}
Notion-Version: 2025-09-03

Create Page

POST /notion/v1/pages
Content-Type: application/json
Notion-Version: 2025-09-03
{
"parent": {"page_id": "PARENT_PAGE_ID"},
"properties": {
"title": {"title": [{"text": {"content": "New Page"}}]}
}
}

Create Page in Data Source

POST /notion/v1/pages
Content-Type: application/json
Notion-Version: 2025-09-03
{
"parent": {"data_source_id": "DATA_SOURCE_ID"},
"properties": {
"Name": {"title": [{"text": {"content": "New Page"}}]},
"Status": {"select": {"name": "Active"}}
}
}

Update Page Properties

PATCH /notion/v1/pages/{pageId}
Content-Type: application/json
Notion-Version: 2025-09-03
{
"properties": {
"Status": {"select": {"name": "Done"}}
}
}

Update Page Icon

PATCH /notion/v1/pages/{pageId}
Content-Type: application/json
Notion-Version: 2025-09-03
{
"icon": {"type": "emoji", "emoji": "🚀"}
}

Archive Page

PATCH /notion/v1/pages/{pageId}
Content-Type: application/json
Notion-Version: 2025-09-03
{
"archived": true
}

Blocks

Get Block Children

GET /notion/v1/blocks/{blockId}/children
Notion-Version: 2025-09-03

Append Block Children

PATCH /notion/v1/blocks/{blockId}/children
Content-Type: application/json
Notion-Version: 2025-09-03
{
"children": [
{
"object": "block",
"type": "paragraph",
"paragraph": {
"rich_text": [{"type": "text", "text": {"content": "New paragraph"}}]
}
}
]
}

Delete Block

DELETE /notion/v1/blocks/{blockId}
Notion-Version: 2025-09-03

Users

List Users

GET /notion/v1/users
Notion-Version: 2025-09-03

Get Current User

GET /notion/v1/users/me
Notion-Version: 2025-09-03

Filter Operators

```
equals
```
,
```
does_not_equal
```
```
contains
```
,
```
does_not_contain
```
```
starts_with
```
,
```
ends_with
```
```
is_empty
```
,
```
is_not_empty
```
```
greater_than
```
,
```
less_than
```

Block Types

```
paragraph
```
,
```
heading_1
```
,
```
heading_2
```
,
```
heading_3
```
```
bulleted_list_item
```
,
```
numbered_list_item
```
```
to_do
```
,
```
code
```
,
```
quote
```
,
```
divider
```

Code Examples

JavaScript

const response = await fetch('https://gateway.maton.ai/notion/v1/search', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Authorization': `Bearer ${process.env.MATON_API_KEY}`,
    'Notion-Version': '2025-09-03'
  },
  body: JSON.stringify({ query: 'meeting' })
});

Python

import os
import requests
response = requests.post(
'https://gateway.maton.ai/notion/v1/search&#x27;,
headers={
'Authorization': f'Bearer {os.environ["MATON_API_KEY"]}',
'Notion-Version': '2025-09-03'
},
json={'query': 'meeting'}
)

Notes

All IDs are UUIDs (with or without hyphens)
Use
```
GET /databases/{id}
```
to get the
```
data_sources
```
array containing data source IDs
Creating databases requires
```
POST /databases
```
endpoint
Delete blocks returns the block with
```
archived: true
```
IMPORTANT: When using curl commands, use
```
curl -g
```
when URLs contain brackets (
```
fields[]
```
,
```
sort[]
```
,
```
records[]
```
) to disable glob parsing
IMPORTANT: When piping curl output to
```
jq
```
or other commands, environment variables like
```
$MATON_API_KEY
```
may not expand correctly in some shell environments. You may get "Invalid API key" errors when piping.

Error Handling

Status	Meaning
400	Missing Notion connection
401	Invalid or missing Maton API key
429	Rate limited (10 req/sec per account)
4xx/5xx	Passthrough error from Notion API

Troubleshooting: API Key Issues

Check that the
```
MATON_API_KEY
```
environment variable is set:

echo $MATON_API_KEY

Verify the API key is valid by listing connections:

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Troubleshooting: Invalid App Name

Ensure your URL path starts with
```
notion
```
. For example:

Correct:

https://gateway.maton.ai/notion/v1/search

Incorrect:
```
https://gateway.maton.ai/v1/search
```

Notion

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Notion

Quick Start

Base URL

Required Headers

Authentication

Getting Your API Key

Connection Management

List Connections

Create Connection

Get Connection

Delete Connection

Specifying Connection

Key Concept: Databases vs Data Sources

API Reference

Search

Data Sources

Get Data Source

Query Data Source

Update Data Source

Databases

Get Database

Create Database

Pages

Get Page

Create Page

Create Page in Data Source

Update Page Properties

Update Page Icon

Archive Page

Blocks

Get Block Children

Append Block Children

Delete Block

Users

List Users

Get Current User

Filter Operators

Block Types

Code Examples

JavaScript

Python

Notes

Error Handling

Troubleshooting: API Key Issues

Troubleshooting: Invalid App Name

Resources

Quick Start

Manual Installation

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