| CPC H04L 63/0884 (2013.01) [H04L 9/3213 (2013.01); H04L 9/3263 (2013.01); H04L 61/302 (2013.01); H04L 61/4511 (2022.05); H04L 61/4594 (2022.05); H04L 63/0428 (2013.01); H04L 63/06 (2013.01); H04L 63/0823 (2013.01)] | 18 Claims |

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1. A method for providing a registration data response, the method comprising:
obtaining, at a registration data client over a network, a registration data query for registration data from a user;
providing, by the registration data client, the registration data query to a registration data service, wherein the registration data service queries a database of the registration data service and determines an other registration data service to respond to the registration data query;
receiving, at the registration data client, a registration data response including a referral URL to the other registration data service determined to respond to the registration data query;
providing a registration data response to the user, the registration data response comprising a hyperlink based on the referral URL; and
receiving, at the registration data client over the network, a second registration data query for registration data from the user, wherein, based on receiving the second registration data query, an access token is provided to the other registration data service.
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