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Courier apps with keys: how do I connect a COD courier with an API key or access token?

The shared steps for COD courier apps that connect with keys copied from the courier's website: an API key and API secret key, or a single access token. Where to paste them, Activate, Markets, Source tracking, test order, and fixes for key errors.

3 min read

Before you start

These courier apps connect with keys you copy from your account on the courier's website. The general rules (Activate, Markets, SKU matching, which orders are sent) are in How do I connect a COD fulfillment or courier network to auto-forward orders? For couriers that use a Connect button instead, see courier apps with a Connect button.

Which apps use keys

Each courier's article says where to find its keys and which settings it has.

Connect an app with an API key and API secret key

  1. Open Apps, search for the courier, and click Install.
  2. Open the app. The note above the key fields links to the page on the courier's website where your keys are. Log in there and copy them.
  3. Paste them into API key and API secret key. The two keys are never the same value, so check you did not paste one twice.
  4. Turn on Activate, pick your Markets, and turn on Source tracking if you want the courier to see which ad brought each sale.
  5. Click Save, then Send test order to check the link.
  6. In each product, put the courier's product ID or SKU in the SKU field.

Connect an app with an access token

  1. Install the app and open it.
  2. Follow the here link in the note to your account on the courier's website and copy your access token.
  3. Paste it into Access token, turn on Activate, pick your Markets, and click Save.
  4. Put the courier's SKU in each product's SKU field, then send a test order if the app has the button.

Common problems

  • "The secret API key you have entered is incorrect": you pasted the same value twice, or copied extra characters. Copy both keys again.
  • "The access token you have entered is incorrect": copy the token again, without spaces before or after it.
  • "The markets you have selected are incorrect": the courier does not serve one of the countries you picked.
  • The test order is refused: read the reason in the message. Most often the product ID or SKU does not exist in your account with the courier, or the keys belong to another account.
  • The link in the note does not open: log in on the courier's website yourself and look for the API section there.

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