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At a glance

  • Availability: Experimental (how to enable).
  • Authentication: API key.
  • Connection: The key from MOLLIE_API_KEY is sent as the Bearer prefixed Authorization header.
  • Provider documentation: Authentication reference.

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Credentials

Set these per environment. See Connect an integration.

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Setup

  1. Create a Mollie account: Sign up at https://www.mollie.com. You can use test mode immediately after signup, before your account is fully activated for live payments.
  2. Get your API key: In the Mollie Dashboard, go to Developers > API keys. Each website profile has a paired test key (test_…) and live key (live_…). Copy the key right away; treat it as a secret.
  3. Configure the environment variable: Set MOLLIE_API_KEY to your test_ key while developing. Payments made with a test_ key are simulated and never charge real money. Switch to your live_ key once your account is approved for live payments.

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Provider notes

  • Test mode and live mode are selected by the key prefix: test_ keys hit the same https://api.mollie.com/v2 endpoints but operate on simulated data.
  • Amounts are strings with the exact number of decimals for the currency, e.g. “10.00” for EUR.
  • Set a webhookUrl on payments in production so you receive status changes; polling get_payment also works for agent workflows.
Provider API reference.

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Tools

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Verify the connection

Call a read tool such as mollie__list_payments with arguments for your account. Confirm that the result comes from the intended account or workspace before enabling write tools.