`reimbursements.claimPurchase`

Create a personal expense claim for an active member from an existing unallocated receipt purchase, with its current revision, exact original evidence and explicit confirmation of who paid. Never creates or changes the expense.

POST/api/v1/accounting/reimbursements.claimPurchase

Permissions

accounting:readaccounting:write

Who can call it

admin, finance

Retries

Idempotency key required

MCP

accounting_reimbursements_claim_purchase

Fields

entryIdstring (ID)Required
The ID of an accounting entry, from entries.list or attention.mine.
expectedEntryRevisionintegerRequired
The related record's current revision, from the last time you read it.
at most 9007199254740991 · greater than 0
userIdstringRequired
The ID of a person in your company.
1–200 characters
receiptEvidenceIdstring (ID)Required
The ID of the related record.
personallyPaidtrueRequired
onBehalfConfirmedboolean
reasonstringRequired
A short note saying why, kept in the record's history.
10–1000 characters
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/reimbursements.claimPurchase \
  -H "Authorization: Bearer $OATMILK_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
  "entryId": "7f0f6c1e-1c1f-4b5e-9c8d-2f5e8e3c1a10",
  "expectedEntryRevision": 3,
  "userId": "example",
  "receiptEvidenceId": "1a2b3c4d-5e6f-4a7b-8c9d-0e1f2a3b4c5d",
  "personallyPaid": true,
  "reason": "Synthetic example from the docs"
}'

const response = await fetch("https://app.getoatmilk.com/api/v1/accounting/reimbursements.claimPurchase", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.OATMILK_API_KEY}`,
    "Content-Type": "application/json",
    "Idempotency-Key": crypto.randomUUID(),
  },
  body: JSON.stringify({
    "entryId": "7f0f6c1e-1c1f-4b5e-9c8d-2f5e8e3c1a10",
    "expectedEntryRevision": 3,
    "userId": "example",
    "receiptEvidenceId": "1a2b3c4d-5e6f-4a7b-8c9d-0e1f2a3b4c5d",
    "personallyPaid": true,
    "reason": "Synthetic example from the docs"
  }),
});
const { data, error } = await response.json();
if (!response.ok) throw new Error(`${error.code}: ${error.message}`);
console.log(data);

import os
import uuid

import requests

response = requests.post(
    "https://app.getoatmilk.com/api/v1/accounting/reimbursements.claimPurchase",
    headers={
        "Authorization": f"Bearer {os.environ['OATMILK_API_KEY']}",
        "Idempotency-Key": str(uuid.uuid4()),
    },
    json={
        "entryId": "7f0f6c1e-1c1f-4b5e-9c8d-2f5e8e3c1a10",
        "expectedEntryRevision": 3,
        "userId": "example",
        "receiptEvidenceId": "1a2b3c4d-5e6f-4a7b-8c9d-0e1f2a3b4c5d",
        "personallyPaid": True,
        "reason": "Synthetic example from the docs",
    },
    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/reimbursements.claimPurchase

curl https://app.getoatmilk.com/api/v1/accounting/reimbursements.claimPurchase \
  -H "Authorization: Bearer $OATMILK_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
  "entryId": "7f0f6c1e-1c1f-4b5e-9c8d-2f5e8e3c1a10",
  "expectedEntryRevision": 3,
  "userId": "example",
  "receiptEvidenceId": "1a2b3c4d-5e6f-4a7b-8c9d-0e1f2a3b4c5d",
  "personallyPaid": true,
  "reason": "Synthetic example from the docs"
}'

const response = await fetch("https://app.getoatmilk.com/api/v1/accounting/reimbursements.claimPurchase", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.OATMILK_API_KEY}`,
    "Content-Type": "application/json",
    "Idempotency-Key": crypto.randomUUID(),
  },
  body: JSON.stringify({
    "entryId": "7f0f6c1e-1c1f-4b5e-9c8d-2f5e8e3c1a10",
    "expectedEntryRevision": 3,
    "userId": "example",
    "receiptEvidenceId": "1a2b3c4d-5e6f-4a7b-8c9d-0e1f2a3b4c5d",
    "personallyPaid": true,
    "reason": "Synthetic example from the docs"
  }),
});
const { data, error } = await response.json();
if (!response.ok) throw new Error(`${error.code}: ${error.message}`);
console.log(data);

import os
import uuid

import requests

response = requests.post(
    "https://app.getoatmilk.com/api/v1/accounting/reimbursements.claimPurchase",
    headers={
        "Authorization": f"Bearer {os.environ['OATMILK_API_KEY']}",
        "Idempotency-Key": str(uuid.uuid4()),
    },
    json={
        "entryId": "7f0f6c1e-1c1f-4b5e-9c8d-2f5e8e3c1a10",
        "expectedEntryRevision": 3,
        "userId": "example",
        "receiptEvidenceId": "1a2b3c4d-5e6f-4a7b-8c9d-0e1f2a3b4c5d",
        "personallyPaid": True,
        "reason": "Synthetic example from the docs",
    },
    timeout=30,
)
payload = response.json()
if not response.ok:
    raise RuntimeError(f"{payload['error']['code']}: {payload['error']['message']}")
print(payload["data"])

Fields

Example

Try it