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Integration questions? [email protected]

Talk to a payments specialist.

Send the form beside this and it reaches the whole team — sandbox keys, interchange++ pricing, plugin work or a compliance review. A person who works on that part of the gateway answers you.

  • Written answers, so you keep the record
  • Sandbox access without a sales call
  • EU low-risk merchants only, by design
  • English correspondence across the EU

Send the details once

Every field feeds the underwriting answer. Fill it in and the first reply carries a quote, not a questionnaire.

Company domain, not a free mailbox.

For the fast follow-up.

Where the entity is incorporated.

Where you want to accept payments.

EUR 100k to 500k Current processing volume, card and APM combined.

Name any licence (EMI, PI, gaming) and its regulator. Then list what you need and what you cannot compromise on.

We reply within one business day. Prefer email? Write to [email protected].

Where to send what

Four reasons merchants write to us. Each one has an owner inside the team. Pick the closest match and say so up front.

  • 01

    Start a sandbox

    Open a test account

    Ask for sandbox access and we send keys plus the hosted-fields quickstart. You can run a full card flow before any contract talk. No demo call needed.

    Read the developer docs

  • 02

    Pricing

    Quote and underwriting

    Tell us your monthly volume, average basket and card mix. We come back with an interchange++ quote. Blended is available if you prefer one flat line.

    See how pricing works

  • 03

    Integration

    Plugins and custom builds

    We ship plugins for the major EU shop platforms. If yours is custom, send the stack and checkout flow. Our engineers map it to the REST API for you.

    Browse the plugin list

  • 04

    Compliance

    Risk, PCI DSS and GDPR

    Card data stays in our scope, so your return stays SAQ A. Send audit questions, data-processing requests or scheme queries. The compliance team replies in writing.

    Read our company position

Four lines make the first reply useful

A quote needs facts. Send these four and we skip a round of questions. It saves you a week.

  1. Name your business model Say what you sell and how you bill it. Low-risk only, so this comes first.
  2. Give rough volume Monthly card volume and average order value. A range is fine at this stage.
  3. List your markets The EU countries you sell into. That decides which local methods matter.
  4. Name your stack Shop platform, version and any custom checkout. It shapes the plugin answer.
first message — example

Business model: subscription SaaS, billed monthly

Volume: about EUR 90k per month, EUR 42 average order

Markets: NL, BE, DE, PL

Stack: WooCommerce 8.x, custom checkout step

Needed: iDEAL, Bancontact, BLIK, cards, recurring

Ask: sandbox keys plus an interchange++ quote

Sample brief for illustration. Copy the shape, use your own numbers.

Answers before you write

Three questions come up in almost every first email. Here they are, answered in full. Another thirty-one sit on the gateway FAQ — underwriting documents, settlement timing, PCI scope and chargeback timelines.

Do I need a call before I can test?

No. Ask for sandbox keys and build straight away. A call only helps once pricing and underwriting are on the table.

Which merchants do you accept?

Low-risk sellers only. That means e-commerce retail, subscription software, digital goods and professional services. We decline high-risk verticals at application.

Can you answer technical questions by email?

Yes. Send the endpoint, the request you made and the response code. Our engineers read the trace and reply with the fix.