curl --request POST \
  --url https://api.yorlet.com/v1/applications/{id}/applicants/{applicantId}/mark_paid \
  --header 'Authorization: <api-key>'

{
  "id": "<string>",
  "created": 123,
  "object": "application.applicant",
  "application": "<string>",
  "advance_rent": {
    "amount": 123,
    "paid": true,
    "paid_off_platform": true,
    "transaction": "<string>"
  },
  "currency": "gbp",
  "customer": "<string>",
  "deposit": {
    "amount": 123,
    "paid": true,
    "paid_off_platform": true,
    "transaction": "<string>"
  },
  "guarantor": "<string>",
  "guarantor_contract": "<string>",
  "holding_fee": {
    "amount": 123,
    "paid": true,
    "paid_off_platform": true,
    "transaction": "<string>"
  },
  "lead_tenant": true,
  "permitted_occupier": true,
  "requirements": {
    "guarantor": true
  },
  "share_of_rent": 123,
  "status": "<string>",
  "tos_acceptance": {
    "date": 123,
    "ip": "<string>"
  },
  "account": "<string>",
  "deleted": false,
  "pets": [
    {
      "age": 123,
      "name": "<string>"
    }
  ],
  "pre_qualification": {
    "affordability": {
      "company_name": "<string>",
      "gross_annual_salary": 123,
      "role": "<string>"
    },
    "nationality": "<string>"
  }
}