Client Libraries & SDKs

curl -X POST "https://api.postbrix.com/v1/templates/cmuhceoo1000201ph972mxpzv/render" \
  -H "Authorization: Bearer pb_live_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "variables": {
      "firstName": "Alex",
      "company": "Acme Inc"
    },
    "format": "html"
  }'

import { PostBrix } from '@postbrix/sdk';

const postbrix = new PostBrix({
  apiKey: process.env.POSTBRIX_API_KEY!,
});

export async function sendWelcomeEmail(templateId: string = 'cmuhceoo1000201ph972mxpzv') {
  // Render template by unique CUID template ID (e.g. 'cmuhceoo1000201ph972mxpzv')
  const { html } = await postbrix.render(templateId, {
    userName: 'Jane Doe',
    orderId: '#ORD-2026-9811',
  });

  return html;
}

interface RenderResponse {
  success: boolean;
  data: {
    html: string;
    mjml?: string;
  };
}

export async function renderPostBrixTemplate(
  templateId: string,
  variables: Record<string, unknown>
): Promise<string> {
  const res = await fetch(`https://api.postbrix.com/v1/templates/${templateId}/render`, {
    method: 'POST',
    headers: {
      'Authorization': `Bearer ${process.env.POSTBRIX_API_KEY}`,
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({ variables, format: 'html' }),
  });

  if (!res.ok) {
    const errorData = await res.json().catch(() => ({}));
    throw new Error(`PostBrix Render API error: ${res.status} ${errorData.message || res.statusText}`);
  }

  const payload: RenderResponse = await res.json();
  return payload.data?.html || (payload as any).html;
}

import os
import requests

def render_email(template_id: str, variables: dict) -> str:
    url = f"https://api.postbrix.com/v1/templates/{template_id}/render"
    headers = {
        "Authorization": f"Bearer {os.getenv('POSTBRIX_API_KEY')}",
        "Content-Type": "application/json"
    }
    response = requests.post(url, json={"variables": variables, "format": "html"}, headers=headers)
    response.raise_for_status()
    payload = response.json()
    return payload.get("data", {}).get("html") or payload.get("html", "")

package main

import (
    "bytes"
    "encoding/json"
    "fmt"
    "io"
    "net/http"
    "os"
)

func renderTemplate(templateID string, variables map[string]interface{}) (string, error) {
    payload, _ := json.Marshal(map[string]interface{}{
        "variables": variables,
        "format":    "html",
    })

    req, _ := http.NewRequest("POST", "https://api.postbrix.com/v1/templates/"+templateID+"/render", bytes.NewBuffer(payload))
    req.Header.Set("Authorization", "Bearer "+os.Getenv("POSTBRIX_API_KEY"))
    req.Header.Set("Content-Type", "application/json")

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        return "", err
    }
    defer resp.Body.Close()

    body, _ := io.ReadAll(resp.Body)
    return string(body), nil
}