Step by step process to set up custom integrations with Verifymagically API

If you’ve ever wanted your app or workflow to automatically verify emails, you’ve probably heard about Verifymagically. Their API promises fast, accurate email verification—no surprise, that’s useful for cleaning up user lists, fighting spam, or just making sure you’re not emailing a black hole.

This guide is for developers, ops folks, or even the “I wear all the hats” person at a startup who wants to build custom integrations with the Verifymagically API. I’ll walk you through it, step by step, without fluff. If you want fancy architecture diagrams or a sales pitch, look elsewhere. This is for people who want to get their hands dirty and see results.


Step 1: Get Access to the API

First things first: you need API credentials. Without these, you’re not going anywhere.

  • Sign up for a Verifymagically account. If you don’t have one, go grab it. Most API features are behind a login.
  • Find your API key. It’ll usually be somewhere under “API” or “Developers” in the dashboard. If you can’t find it, contact support—don’t waste an hour hunting.
  • Check your plan limits. Every API has limits. Know how many requests you get, and what happens if you go over. Don’t get caught off guard.

Pro tip: Keep your API key private. Don’t hard-code it in public repos, and don’t share screenshots with it visible. You’d be surprised how often people slip up here.


Step 2: Read the API Docs (Yes, Really)

I know, nobody likes reading docs. But with APIs, you can’t skip this step. Verifymagically’s docs are straightforward, but there are a few things to look for:

  • Base URL: Is it https://api.verifymagically.com/v1/ or something else?
  • Authentication method: Usually a header like Authorization: Bearer YOUR_API_KEY.
  • Endpoints: What can you actually do? (Most folks care about verifying single emails, batches, and maybe checking credits.)
  • Required/requested fields: Double-check the payload structure.
  • Response format: JSON, usually. Know what fields to expect (e.g., is_valid, reason, etc.).
  • Error codes: What happens when something goes wrong? Is there a specific code for “invalid email,” or is it just a generic 400?

Don’t trust blog posts (even this one) over the actual docs. APIs change, and the docs are the source of truth.


Step 3: Make Your First API Call (Manual Test)

Before you automate anything, make sure you can hit the API and get a real response. Use curl, Postman, or your favorite HTTP tool.

Example using curl: bash curl -X POST https://api.verifymagically.com/v1/verify \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{"email": "test@email.com"}'

  • Replace YOUR_API_KEY and the email address.
  • Look for a JSON response. If you get a 401, your key’s wrong. If you get a 200 but something’s off, double-check your payload.

What works:
Testing with real, known emails (both valid and invalid) helps you see what “good” and “bad” responses look like.

What to ignore:
Don’t bother with SDKs or wrappers until you’ve confirmed the raw API works. Sometimes libraries hide errors or have out-of-date docs.


Step 4: Build a Minimal Integration

Now that you know the API works, wire it up to your app or script. Here’s how to do it with plain HTTP requests—no fancy wrappers.

For Python (requests library):

python import requests

API_KEY = "YOUR_API_KEY" email_to_check = "test@email.com"

headers = { "Authorization": f"Bearer {API_KEY}", "Content-Type": "application/json" } data = {"email": email_to_check}

response = requests.post( "https://api.verifymagically.com/v1/verify", headers=headers, json=data )

if response.status_code == 200: result = response.json() print("Valid:", result["is_valid"]) print("Reason:", result.get("reason")) else: print("Error:", response.status_code, response.text)

For Node.js (axios):

javascript const axios = require('axios');

const API_KEY = 'YOUR_API_KEY'; const email_to_check = 'test@email.com';

axios.post( 'https://api.verifymagically.com/v1/verify', { email: email_to_check }, { headers: { 'Authorization': Bearer ${API_KEY} } } ) .then(res => { console.log('Valid:', res.data.is_valid); console.log('Reason:', res.data.reason); }) .catch(err => { console.error('Error:', err.response.status, err.response.data); });

Keep it simple:
Start with just verifying a single email. Don’t try to batch-process or add fancy error handling yet.


Step 5: Handle Responses and Errors

APIs never fail until they do. Don’t just check for a 200 status—look at the actual response. Here’s what to keep an eye on:

  • Success: You’ll get fields like is_valid, and maybe reason (like “catch-all” or “disposable”).
  • Invalid email: Don’t treat these as API errors. The API did its job—just handle the “bad” result in your logic.
  • Rate limits: If you start getting 429 errors, you’re hitting the API too hard. Slow down or upgrade your plan.
  • Other errors: 400 means bad request (usually your fault). 401 means bad auth. 500+ means the API is having a bad day.

Pro tip:
Log both the request and response when you’re developing. It saves time debugging later, especially if support asks for details.


Step 6: Automate for Your Real Use Case

Once you’ve got the basics working, think about how this fits into your actual workflow. Here are some common scenarios:

1. Signup Form Validation

  • Call the API when a user enters their email.
  • Only accept if is_valid is true.
  • Don’t block the signup just because the API is slow or down—maybe queue for later or warn the user.

2. Bulk List Cleaning

  • Read emails from your database or CSV.
  • Loop through and call the API for each.
  • Be gentle—don’t hammer the API with hundreds of requests per second, or you’ll get rate limited.
  • Use batch endpoints if Verifymagically offers them (check the docs).

3. CRM or Marketing Tool Integration

  • Set up a nightly job to validate new emails.
  • Update user records with the result.
  • Flag or remove invalid emails before sending campaigns.

What works:
Start small and test with a subset of your data before scaling up.

What doesn’t:
Don’t try to run your entire list through in one go unless you know your API limits. You’ll probably just get throttled or blocked.


Step 7: Add Error Handling and Monitoring

When you rely on any third-party API, expect it to break at the worst time. Here’s how to make your integration more resilient:

  • Retry on failures: But not forever. Use exponential backoff, and give up after a few tries.
  • Alerting: Set up monitoring to alert you if your API calls start failing consistently.
  • Graceful degradation: If Verifymagically is down, don’t break your whole signup flow. Queue requests or skip validation temporarily.
  • Logging: Keep logs of requests, responses, and errors. You’ll thank yourself later.

Ignore:
Don’t over-engineer for rare outages, but don’t ignore them either. Find a balance.


Step 8: Secure Your Integration

Security is boring until something goes wrong. Do the basics:

  • Keep API keys out of source code. Use environment variables or secrets managers.
  • Limit permissions: If Verifymagically lets you create multiple keys, use one just for this integration.
  • Rotate keys if needed: Especially if you think one might have leaked.

Step 9: Maintain and Iterate

Your first version won’t be perfect, and that’s fine. Plan for:

  • API changes: Subscribe to Verifymagically’s updates (RSS, email, whatever).
  • Usage audits: Review how often you’re calling the API and if you’re hitting limits.
  • Feedback loop: If you notice lots of false positives or negatives, contact support or revisit how you’re using the responses.

Pro tip:
Don’t set it and forget it. Even the best APIs can change behavior, or your needs might evolve.


Keep It Simple and Iterate

Custom integrations don’t have to be complicated. Start with the basics, make sure you’re getting the results you want, and layer on features as you need them. Don’t fall for the temptation to overbuild—real-world usage will show you what’s actually necessary. If you run into trouble, check the docs, ask support, and keep your logic straightforward. You’ll save yourself a lot of time (and headaches) down the road.