Временная почта: одноразовый адрес, сразу

// Playwright — полная регистрация вместе с кодом
const { address, id } = await sink.createInbox();
await page.fill('#email', address);
await page.click('#signup');

const code = await sink.waitForOtp(id);    // разблокируется, когда письмо придёт
await page.fill('#code', code);            // код уже извлечён

// cypress.config.js — setupNodeEvents
on('task', {
  createInbox: () => sink.createInbox(),
  waitForOtp:  (id) => sink.waitForOtp(id, { timeout: 45000 }),
});

// signup.cy.js
cy.task('createInbox').then(({ id, address }) => {
  cy.get('#email').type(address);
  cy.get('#signup').click();
  cy.task('waitForOtp', id).then((code) => cy.get('#code').type(code));
});

import requests, os
API = "https://inboxsink.com/v1"
H = {"Authorization": f"Bearer {os.environ['INBOXSINK_API_KEY']}"}

box = requests.post(f"{API}/inboxes", headers=H).json()
driver.find_element(By.ID, "email").send_keys(box["address"])

msg = requests.get(f"{API}/inboxes/{box['id']}/wait",
                   params={"timeout": 45000}, headers=H, timeout=55).json()
code = msg["message"]["otp"]   # '204815'

curl -X POST https://inboxsink.com/v1/inboxes \
  -H "Authorization: Bearer $KEY"
→ { "id": "42", "address": "9f2c1a@mailhusk.com" }

curl "https://inboxsink.com/v1/inboxes/42/wait?timeout=45000" \
  -H "Authorization: Bearer $KEY"
→ { "message": { "otp": "204815", "link": "https://…/confirm" } }