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Connect Trello

Get a Trello API key and token, and save them together as a Basic Auth credential.

≈ 3 min Extension Basic Auth
  • A Trello account. Trello may ask you to create a Power-Up to get an API key.
  • The AWFlow browser extension. These steps run in the extension (the web app hands them to it).

This is the only method. The token can act on all your boards.

  1. Get the API key. Open trello.com/app-key while signed in. If Trello asks for a Power-Up, create one in its admin page; its API key tab shows the key. Copy it.

  2. Get the token. Next to the key, follow the Token link, click Allow and copy the token.

  3. Save it in AWFlow. Open Credentials and click Add Credential (or + Add Credential in a node’s Credential field), then fill the New Credential form. In the browser side panel the form comes in two steps: tap Trello in the list, then fill the rest.

    The New Credential dialog with Trello picked under Integration App / Service: Name and Description fields, Username and Password fields (no Auth Type menu: the app sets Basic Auth), a note that the secret is saved locally and encrypted in this browser, and the Cancel and Create Credential buttons. The New Credential dialog with Trello picked under Integration App / Service: Name and Description fields, Username and Password fields (no Auth Type menu: the app sets Basic Auth), a note that the secret is saved locally and encrypted in this browser, and the Cancel and Create Credential buttons.

    Numbered areas in the screenshot: 1. Integration App / Service: Trello; 2. Name; 3. Username; 4. Password; 5. Where the secret is stored (here, locally in this browser); 6. Create Credential.

  • “Trello needs a Basic Auth credential with the API key in Username and the token in Password”. A field is empty, or the credential isn’t Basic Auth.
  • “401 … the API key or token is invalid or expired”. The key and token don’t belong together, are swapped, or the token was revoked. Generate a new token next to your key.
  • The run is blocked in the web app. Trello runs through the browser extension. Install the extension and allow Trello for this workflow when asked, or run the workflow from the extension. See Extension-only integrations in the web app.
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