@postsider/node SDK overview

import Postsider from '@postsider/node';

const client = new Postsider('your-api-key', 'https://your-instance.com', {
  apiBasePath: '/api', // required for the bundled self-hosted proxy
});

// List all connected channels
const channels = await client.integrations();
console.log(channels);

// Schedule a post to a channel
await client.post({
  type: 'schedule',
  date: '2026-07-01T10:00:00Z',
  posts: [
    {
      integration: { id: 'ch_abc123' },
      value: [{ content: 'Hello from PostSider!' }]
    }
  ]
});

import { readFileSync } from 'fs';

const buffer = readFileSync('./banner.png');
const media = await client.upload(buffer, 'png');

await client.post({
  type: 'schedule',
  date: '2026-07-01T09:00:00Z',
  posts: [
    {
      integration: { id: 'ch_abc123' },
      value: [
        {
          content: 'Our new banner is live!',
          image: [media]
        }
      ]
    }
  ]
});

import Postsider from '@postsider/node';

const isValid = Postsider.verifyWebhookSignature(
  req.headers['x-postsider-signature'] as string,
  req.rawBody.toString('utf8'),
  process.env.WEBHOOK_SECRET!,
  req.headers['x-postsider-timestamp'] as string
);