WhatsApp + Instagram
REST API, v1.

const API_BASE = process.env.IR_API_URL ?? 'https://api.instantreply.co';
const headers = { 'Authorization': `Bearer ${process.env.IR_API_KEY}` };

const res = await fetch(`${API_BASE}/v1/conversations?status=active`, { headers });
const { data } = await res.json();

for (const c of data) {
  if (c.last_message_preview?.includes('refund')) {
    await fetch(`${API_BASE}/v1/conversations/${c.id}`, {
      method: 'PATCH', headers: { ...headers, 'Content-Type': 'application/json' },
      body: JSON.stringify({ tags: ['priority:refund'] }),
    });
  }
}