Independent: paid links never change the order. Every fact checked with the vendor.

How we review
stackwijsSearch software…Search
Submit a tool

Postcode API or Zernio?

Price, integrations and Netherlands check side by side.

Postcode API

for freelancers and SMEs

REST API that returns the street and town for a postcode and house number, with plug-ins for WooCommerce and Magento.

from €6 /month excl. VAT
2 of 3 NL check
Zernio

for freelancers and SMEs and large companies

One API to post, schedule and analyse on Instagram, TikTok, LinkedIn, YouTube and other social channels.

Free plan
1 of 3 NL check

The differences

  • Postcode API is a Dutch company, Zernio is not.
  • Zernio has a free plan, Postcode API does not.
  • Only Postcode API integrates with WooCommerce, WordPress and Magento.
  • Only Zernio integrates with Instagram, Facebook, X, TikTok, YouTube, LinkedIn, Pinterest, Threads, Bluesky, WhatsApp, Google Business Profile and MCP.

Side by side

Postcode APIZernio
Pricefrom €6/month excl. VATFree plan
Data in the EUUnknown✕ No
Data processing agreement✓ Yes✓ Yes
Company in the Netherlands✓ Yes✕ No
IntegrationsWooCommerce, WordPress, MagentoInstagram, Facebook, X, TikTok, YouTube, LinkedIn, Pinterest, Threads, Bluesky, WhatsApp, Google Business Profile, MCP
Free trialNoneNone
Stackwijs verdictNo verdict yetNo verdict yet
User reviewsNo reviews yetNo reviews yet
For whomfreelancers, SMEsfreelancers, SMEs, large companies

Facts checked on the vendors' websites.

Postcode API or Zernio: questions

What is the difference between Postcode API and Zernio?

Postcode API is a Dutch company, Zernio is not. Zernio has a free plan, Postcode API does not. Only Postcode API integrates with WooCommerce, WordPress and Magento. Only Zernio integrates with Instagram, Facebook, X, TikTok, YouTube, LinkedIn, Pinterest, Threads, Bluesky, WhatsApp, Google Business Profile and MCP.

Which one do you choose?

We sometimes earn from a click. That does not change the order. How we make money

Postcode API

REST API that returns the street and town for a postcode and house number, with plug-ins for WooCommerce and Magento.

Suits web shops and developers who only want to autocomplete Dutch addresses from postcode and house number, for a fixed amount per month.

Price
from €6 /month excl. VAT
Try it
No trial
NL check
2 of 3
View Postcode API

On the Postcode API website

Zernio

One API to post, schedule and analyse on Instagram, TikTok, LinkedIn, YouTube and other social channels.

Suits developers and agencies who want to build posting to many social channels into their own app or AI agent.

Price
Free plan
Try it
Free plan
NL check
1 of 3
View Zernio

On the Zernio website · partner link

Also compare

All developer tools compared

We get a fee if you take out a subscription through us. That does not change our verdict.