TSP configuration

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When you work with your TSP to enable Google Pay support, you will need to ensure certain settings comply with Google Pay's requirements. These include:

If you need to change which TSP receives provisioning requests for your BINs or need to remove certain fields (e.g. the expiry or CVV fields), you might need Google to customize your BIN settings so we properly handle cards in your BIN ranges.

Terms of Service guidelines

During the tokenization flow, users must accept the issuer's terms of service (ToS) provided through the TSP. For security reasons, issuers must comply with the following requirements in their terms of service to ensure they are presented properly. Google removes prohibited content from a non-compliant ToS before presenting it to the user. Google reserves the right to update its review process if we identify any new risks.

The ToS may be formatted using one of the following two options:

  • Plain text (UTF-8 encoded)
  • HTML (using a limited subset of tags)

Plain text option

Using plain text is the simplest approach to delivering a compliant ToS because there is no risk of including non-compliant tags or hyperlinks. Content must be UTF-8 encoded.

If you're using plain text, use the template provided below:

Section Header
Text for this section...

Section Header
Text for this section...
* Bullet 1
* Bullet 2
* Bullet 3

Section Header
Text for this section...

HTML Option

Using HTML provides more control over formatting while remaining compliant with our ToS guidelines, but we only allow certain HTML tags. Any non-compliant tags are stripped from what is presented to the user.

The ToS must be a well-formed HTML v4 or v5 document, with proper document structure and balanced tags. The only tags allowed are:

  • Document structure: html, head, title, body
  • Headers: h1, h2, ..., h6
  • List elements: li, ul, ol
  • Tables: table, tr, td, th
  • Paragraph and line breaks: p, br
  • Text formatting: b, i, u, strong, em

Don't use any of the following commonly used tags:

  • Images: img tags
  • Javascript:
    • script tags
    • link tags to javascript files
  • CSS in any form: style, link, style tag attributes
  • Links: a
  • Tracking tags and pixels
  • Any of the following: applet, base, embed, form, iframe, link, math, meta, object, script, style, svg, template

Additional requirements:

  • Don't explicitly set font sizes. Use heading tags instead.
  • Don't set colors.

If you are using HTML, please use the template provided below:

<html>
  <head>
    <title></title>
  </head>
  <body>
    <h1>Section Header</h1>
    <p>Text for this section...</p>
    <h1>Section Header</h1>
    <p>Text for this section...</p>
    <ol>
      <li>Bullet 1</li>
      <li>Bullet 2</li>
      <li>Bullet 3</li>
    </ol>
    <h1>Section Header</h1>
    <p>Text for this section <em>with emphasis</em>...</p>
  </body>
</html>

Card art and metadata guidelines

Card issuing banks submit the following card information according to your network's established process:

  • Card issuing bank name
  • Card art
  • Link to Terms of Service document (recommended)
  • Link to Privacy Policy document (recommended)
  • Card issuing bank contact phone number. International phone numbers are supported (e.g. +1-222-333-4444)
  • Information about the card issuing bank mobile app for Android (package name)

Card art guidelines

Your card art is rendered on devices in card list screens, the card details screen within the app, and on tap confirmation at point-of-sale terminals. We currently only support horizontal card art layouts. If you use a vertical card layout, make sure to submit a card art design that is appropriate for horizontal display.

Generally, we use the following information from the TSP to display card art:

  • Static content ID: details required to download the card art image.
  • Overlay text color (required): numeric (int or hex) RGB color used to render the last four digits over the card image, provides good contrast. We recommend you use white or black.
  • Card color (optional): accent / background color on tap confirmation and card details screens, also initially used to render a generic card image on the device until the image file has been downloaded to the device. If not specified, a dominant color will be extracted from the downloaded card image and gray will be used for the initial generic art.
Specs Requirement Display and use notes
Card art format PDF (vector) or PNG-32 PNGs rendered from submitted PDFs
Dimensions PNG (1536 x 969) Scaled to fit device screen
Orientation Horizontal
File size < 4 MB
Corners Rectangular Corners rounded for display on device
Color mode RGB
Border, white space None, image must extend to edges
Private or more secure information (PII) Do not include cardholder name, card number, expiration, CVV
Logos Include logos as needed Only combined assets are supported. Google Pay does not superimpose or overlay logos on card art.

Common issues with metadata

  • URLs: URLs should be valid, use HTTPS (not HTTP), and avoid references to other wallets in the URL or corresponding page content. It is okay if the URL points to a generic page that supports all wallets. URLs that reference another wallet but redirect to a generic page should be replaced with a generic URL.
  • Package name: The package name of your mobile banking app. The package name is used to display a link to your app on the back of card view for a token. Issuers should provide just their package name. A common error is that issuers reference part or all of the URL for their app in the Play Store. Though we attempt to catch these common errors when rendering the link, the best practice is for the issuer to properly configure this setting in the token configuration.

    Example of a valid package name:

    • com.google.android.apps.walletnfcrel

    Examples of invalid package names:

    • Don't send the full Play Store URL. Example: 'https://play.google.com/store/apps/details?id=com.google.android.apps.walletnfcrel&hl=en'
    • Don't include URL parameters after the package name. This is a common error when getting the package name from the Play Store link. Example: 'com.google.android.apps.walletnfcrel&hl=en'
    • Don't link to an iOS app. Example: 'https://apps.apple.com/us/app/google-pay/id575923525'

Identity and verification (ID&V)

When a cardholder attempts to add a card to Google Pay, Google performs a risk engine check on our end. Assuming the user passes Google's check, they will proceed with tokenization. Google's risk engine check is separate and distinct from the risk signals and provisioning data we provide in each provisioning request. Each provisioning request will include information about the user, device, and risk details. Issuers should use this information to make a risk decision about the provisioning request. This risk decision results in the cardholder's card being assigned one of three paths:

Color path Authentication status
Green The card is successfully added to Google Pay
Yellow More verification is required before the card is added to Google Pay
Red The card addition to Google Pay is declined

Supported yellow path ID&V methods

For attempts that go to the yellow path, Google Pay supports various forms of ID&V authentication. Issuers must support two yellow path ID&V options (ranked in order of preference).

  • One-time passcode (OTP) sent to cardholder by SMS text message.
  • One-time passcode (OTP) sent to cardholder by email.
  • Phone call from bank to cardholder
  • Web-based secure authentication (3-D Secure) on the issuer's website
  • App-to-app verification with the issuer's mobile app.
  • Phone call from cardholder to bank
  • One-time passcode (OTP) sent to cardholder by bank statement (not recommended due to low success rates).

Masking guidelines for ID&V options

  • SMS Phone masking: We recommend masking all but the last 4 digits of the user's phone number for the best user experience. If at least the last 2 digits are visible and match the phone number reported by the device, we will offer to autofill the SMS OTP for the user. Non-digit characters like + for country codes or separators like - and whitespace are allowed in the masked number. Use X or * to mask the digits.
  • Email address masking: The email address should be valid and masked with the domain visible. An example of a valid email address would be a***b@gmail.com or a***********b@gmail.com.

OTP guidelines for SMS text messages

It's important for cardholders to have clear instructions when they use an OTP to add your card to Google Pay. For best results, follow the guidelines below:

  • Visibility: Make sure that cardholders are able to see OTPs in text messages without opening their messaging app.
  • Format: Use the recommended format for text with an OTP: "Enter 123456 to verify your [bank name] card for Google Wallet."
  • Autofill: Make sure the OTP is the first 6-digit numeric string in the text message. The cardholder doesn't have to enter the OTP into Google Pay. Google Pay captures the OTP and autofills the appropriate field in the app to validate the cardholder's identity. We recommended that you do not include any other 6-digit numeric strings in the text other than the OTP. If you must add other numeric strings, such as the last 4 digits of the card, add them after the OTP.
  • Maximum attempts: Banks must support cardholders when they use their maximum number of attempts to use an OTP. We recommend solutions such as these when cardholders try to use OTP after their attempts are exhausted:
    • Google Pay displays "Try again later" and an alternate ID&V method instead of an OTP.
    • Cardholder is prompted to call the bank to complete ID&V.

Risk scores and recommendations

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Google risk engine

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BIN configuration

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