Page Summary
-
The JSON structure defines a payload for saving various Google Wallet objects like event tickets, flights, gift cards, loyalty cards, offers, and transit passes.
-
Required fields include
iss(issuer),aud(audience),typ(type),iat(issued at time),payload(object data), andorigins(allowed domains). -
The
payloadobject contains arrays for different object types, each with 'Class' and 'Object' entries for defining object structures and instances. -
The
originsfield is crucial for enabling the Google Wallet API button and preventing loading errors in the browser.
JSON representation
{ "iss" : "example_service_account@developer.gserviceaccount.com" , "aud" : "google" , "typ" : "savetowallet" , "iat" : 1368029586 , "payload" : { "eventTicketClasses" : [{ ... // Event ticket Class JSON }], "eventTicketObjects" : [{ // Event ticket Object JSON }], "flightClasses" : [{ // Flight Class JSON }], "flightObjects" : [{ // Flight Object JSON }], "giftCardClasses" : [{ // Gift card Class JSON }], "giftCardObjects" : [{ // Gift card Object JSON }], "loyaltyClasses" : [{ // Loyalty Class JSON }], "loyaltyObjects" : [{ // Loyalty Object JSON }], "offerClasses" : [{ // Offer Class JSON }], "offerObjects" : [{ // Offer Object JSON }], "transitClasses" : [{ // Transit Class JSON }], "transitObjects" : [{ // Transit Object JSON }] }, "origins" : [ "http://baconrista.com" , "https://baconrista.com" ] }
Fields
| Field | Type | Required | Description |
|---|---|---|---|
iss
|
String | Y | Your Google Cloud service account generated email address. |
aud
|
String | Y | Audience. The audience for Google Wallet API Objects will always be google
. |
typ
|
String | Y | Type of JWT. The audience for Google Wallet API Objects will always be savetowallet
. |
iat
|
Integer | Y | Issued at time in seconds since epoch. |
payload
|
Object | Y | Payload object. |
payload.eventTicketClasses
|
Array | N | Event Ticket Class to save. |
payload.eventTicketObjects
|
Array | N | Event Ticket Object to save. |
payload.flightClasses
|
Array | N | Flight Class to save. |
payload.flightObjects
|
Array | N | Flight Object to save. |
payload.giftCardClasses
|
Array | N | Gift Card Class to save. |
payload.giftCardObjects
|
Array | N | Gift Card Object to save. |
payload.loyaltyClasses
|
Array | N | Loyalty Class to save. |
payload.loyaltyObjects
|
Array | N | Loyalty Object to save. |
payload.offerObjects
|
Array | N | Offer Object to save. |
payload.offerClasses
|
Array | N | Offer Class to save. |
payload.transitObjects
|
Array | N | Transit Object to save. |
payload.transitClasses
|
Array | N | Transit Class to save. |
origins
|
Array | Y | Array of domains to approve for JWT saving functionality. The Google Wallet API
button will not render when the origins
field is not defined. You could
potentially get a "Load denied by X-Frame-Options" or "Refused to display" messages in the
browser console when the origins field is not defined. |


