`notion.links.create`

Link an Oatmilk account, invoice, or contractor to a Notion page by page ID or pasted link. Links created by a person are confirmed unless status is proposed. Supply idempotencyKey.

POST/api/v1/accounting/notion.links.create

Permissions

accounting:readaccounting:write

Who can call it

admin, finance

Retries

Idempotency key required

MCP

accounting_notion_links_create

Reaches outside Oatmilk

It emails people or calls another service.

Fields

localTypeenumRequired
partyinvoicecontractor
localIdstring (ID)Required
The ID of the related record.
roleenum
A person's access level in the company.
invoicescompaniesvendorscontacts
pageIdstring
32–36 characters
urlstring
A full web address, starting with https://.
1–2000 characters
methodenum
manuallinksmart_lookup
statusenum
Only include records with this status.
confirmedproposed
candidateobject
No other fields
idempotencyKeystringRequired
Any unique text you generate once per intended change, so a retried request only happens once. Send it as the Idempotency-Key header instead if you prefer; if you send both they must match.
8–200 characters

curl https://app.getoatmilk.com/api/v1/accounting/notion.links.create \
  -H "Authorization: Bearer $OATMILK_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
  "localType": "party",
  "localId": "1a2b3c4d-5e6f-4a7b-8c9d-0e1f2a3b4c5d",
  "pageId": "9f2b5c1d7e3a4b6c8d0e2f4a6b8c0d2e"
}'

const response = await fetch("https://app.getoatmilk.com/api/v1/accounting/notion.links.create", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.OATMILK_API_KEY}`,
    "Content-Type": "application/json",
    "Idempotency-Key": crypto.randomUUID(),
  },
  body: JSON.stringify({
    "localType": "party",
    "localId": "1a2b3c4d-5e6f-4a7b-8c9d-0e1f2a3b4c5d",
    "pageId": "9f2b5c1d7e3a4b6c8d0e2f4a6b8c0d2e"
  }),
});
const { data, error } = await response.json();
if (!response.ok) throw new Error(`${error.code}: ${error.message}`);
console.log(data);

import os
import uuid

import requests

response = requests.post(
    "https://app.getoatmilk.com/api/v1/accounting/notion.links.create",
    headers={
        "Authorization": f"Bearer {os.environ['OATMILK_API_KEY']}",
        "Idempotency-Key": str(uuid.uuid4()),
    },
    json={
        "localType": "party",
        "localId": "1a2b3c4d-5e6f-4a7b-8c9d-0e1f2a3b4c5d",
        "pageId": "9f2b5c1d7e3a4b6c8d0e2f4a6b8c0d2e",
    },
    timeout=30,
)
payload = response.json()
if not response.ok:
    raise RuntimeError(f"{payload['error']['code']}: {payload['error']['message']}")
print(payload["data"])

Response

{
  "data": { … }
}

Try it

Checks your input with this action’s real schema and answers like the API, with synthetic data. No key needed, and nothing changes.

Input

POST/api/v1/accounting/notion.links.create

curl https://app.getoatmilk.com/api/v1/accounting/notion.links.create \
  -H "Authorization: Bearer $OATMILK_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
  "localType": "party",
  "localId": "1a2b3c4d-5e6f-4a7b-8c9d-0e1f2a3b4c5d",
  "pageId": "9f2b5c1d7e3a4b6c8d0e2f4a6b8c0d2e"
}'

const response = await fetch("https://app.getoatmilk.com/api/v1/accounting/notion.links.create", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.OATMILK_API_KEY}`,
    "Content-Type": "application/json",
    "Idempotency-Key": crypto.randomUUID(),
  },
  body: JSON.stringify({
    "localType": "party",
    "localId": "1a2b3c4d-5e6f-4a7b-8c9d-0e1f2a3b4c5d",
    "pageId": "9f2b5c1d7e3a4b6c8d0e2f4a6b8c0d2e"
  }),
});
const { data, error } = await response.json();
if (!response.ok) throw new Error(`${error.code}: ${error.message}`);
console.log(data);

import os
import uuid

import requests

response = requests.post(
    "https://app.getoatmilk.com/api/v1/accounting/notion.links.create",
    headers={
        "Authorization": f"Bearer {os.environ['OATMILK_API_KEY']}",
        "Idempotency-Key": str(uuid.uuid4()),
    },
    json={
        "localType": "party",
        "localId": "1a2b3c4d-5e6f-4a7b-8c9d-0e1f2a3b4c5d",
        "pageId": "9f2b5c1d7e3a4b6c8d0e2f4a6b8c0d2e",
    },
    timeout=30,
)
payload = response.json()
if not response.ok:
    raise RuntimeError(f"{payload['error']['code']}: {payload['error']['message']}")
print(payload["data"])

Fields

Fields inside candidate

Example

Try it