`intake.inline`

Add any file Oatmilk should file in one call, for clients that can't upload to a link: filename, mimeType, contentBase64 (the file's bytes in base64, at most 2 MB), idempotencyKey and optional presetKind. Oatmilk checks the bytes, stores them privately and completes the upload, as intake.prepare, the upload and intake.complete do; a file already added returns duplicate: true. Then call intake.classify and intake.process. Retrying with the same key and file is safe. Contributors add receipts only. Larger files use intake.prepare.

POST/api/v1/accounting/intake.inline

Permissions

accounting:readaccounting:write

Who can call it

admin, finance, contributor

Retries

Idempotency key required

MCP

accounting_intake_inline

Fields

filenamestringRequired
The file's name, including its extension.
1–255 characters
mimeTypeenumRequired
The file's type, such as image/jpeg or application/pdf.
application/pdfimage/jpegimage/pngimage/webpimage/heicimage/heifmessage/rfc822text/csvtext/plaintext/markdownapplication/vnd.openxmlformats-officedocument.wordprocessingml.documentapplication/vnd.openxmlformats-officedocument.spreadsheetml.sheet
contentBase64stringRequired
The file's exact bytes, encoded as base64.
4–2796204 characters
presetKindenum
receiptvendor_billissued_invoicebank_statementcontractor_agreementtax_documentcompany_documentother
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/intake.inline \
  -H "Authorization: Bearer $OATMILK_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
  "filename": "receipt.pdf",
  "mimeType": "application/pdf",
  "contentBase64": "SGVsbG8sIE9hdG1pbGsh"
}'

const response = await fetch("https://app.getoatmilk.com/api/v1/accounting/intake.inline", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.OATMILK_API_KEY}`,
    "Content-Type": "application/json",
    "Idempotency-Key": crypto.randomUUID(),
  },
  body: JSON.stringify({
    "filename": "receipt.pdf",
    "mimeType": "application/pdf",
    "contentBase64": "SGVsbG8sIE9hdG1pbGsh"
  }),
});
const { data, error } = await response.json();
if (!response.ok) throw new Error(`${error.code}: ${error.message}`);
console.log(data);

import os
import uuid

import requests

response = requests.post(
    "https://app.getoatmilk.com/api/v1/accounting/intake.inline",
    headers={
        "Authorization": f"Bearer {os.environ['OATMILK_API_KEY']}",
        "Idempotency-Key": str(uuid.uuid4()),
    },
    json={
        "filename": "receipt.pdf",
        "mimeType": "application/pdf",
        "contentBase64": "SGVsbG8sIE9hdG1pbGsh",
    },
    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/intake.inline

curl https://app.getoatmilk.com/api/v1/accounting/intake.inline \
  -H "Authorization: Bearer $OATMILK_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
  "filename": "receipt.pdf",
  "mimeType": "application/pdf",
  "contentBase64": "SGVsbG8sIE9hdG1pbGsh"
}'

const response = await fetch("https://app.getoatmilk.com/api/v1/accounting/intake.inline", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.OATMILK_API_KEY}`,
    "Content-Type": "application/json",
    "Idempotency-Key": crypto.randomUUID(),
  },
  body: JSON.stringify({
    "filename": "receipt.pdf",
    "mimeType": "application/pdf",
    "contentBase64": "SGVsbG8sIE9hdG1pbGsh"
  }),
});
const { data, error } = await response.json();
if (!response.ok) throw new Error(`${error.code}: ${error.message}`);
console.log(data);

import os
import uuid

import requests

response = requests.post(
    "https://app.getoatmilk.com/api/v1/accounting/intake.inline",
    headers={
        "Authorization": f"Bearer {os.environ['OATMILK_API_KEY']}",
        "Idempotency-Key": str(uuid.uuid4()),
    },
    json={
        "filename": "receipt.pdf",
        "mimeType": "application/pdf",
        "contentBase64": "SGVsbG8sIE9hdG1pbGsh",
    },
    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