const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    memories: [{content: 'John prefers dark mode', isStatic: false, metadata: {}}],
    containerTag: 'user_123'
  })
};

fetch('https://api.supermemory.ai/v4/memories', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "documentId": "<string>",
  "memories": [
    {
      "id": "<string>",
      "memory": "<string>",
      "isStatic": true,
      "createdAt": "<string>"
    }
  ]
}