# contractors.pastPayments.link

Confirm a Wise recipient (profileId, recipientId) is this contractor and link every past outgoing transfer to it, as services by default (treatment), with expectedContractorRevision. Transfers in a closed period are skipped and counted. Never sends money.

`POST /api/v1/accounting/contractors.pastPayments.link`

Permissions: `accounting:read`, `accounting:write` · Roles: admin, finance · Idempotency key required

MCP tool: `accounting_contractors_past_payments_link`

## Fields

| Field | Type | Required | Notes |
| --- | --- | --- | --- |
| `contractorId` | string (ID) | Yes | The ID of a contractor, from contractors.list. |
| `expectedContractorRevision` | integer | Yes | The related record's current revision, from the last time you read it. at most 9007199254740991; greater than 0. |
| `profileId` | string | Yes | Matches ^\d{1,30}$. |
| `recipientId` | string | Yes | The ID of one signer on a document. Matches ^\d{1,30}$. |
| `treatment` | enum |  | One of: `services`, `reimbursement`, `unknown`. Default `"services"`. |
| `idempotencyKey` | string | Yes | 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. 8–150 characters. |

## Example request

```bash
curl https://app.getoatmilk.com/api/v1/accounting/contractors.pastPayments.link \
  -H "Authorization: Bearer $OATMILK_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
  "contractorId": "4d5e6f7a-8b9c-4d0e-8f1a-2b3c4d5e6f7a",
  "expectedContractorRevision": 3,
  "profileId": "1250",
  "recipientId": "1250"
}'
```

Reference page: https://app.getoatmilk.com/docs/api/contractors.pastPayments.link