diff --git a/common/src/abstractions/api.service.ts b/common/src/abstractions/api.service.ts
index 06eb39e729..1c6aa0ef20 100644
--- a/common/src/abstractions/api.service.ts
+++ b/common/src/abstractions/api.service.ts
@@ -458,6 +458,7 @@ export abstract class ApiService {
     postCreateSponsorship: (sponsorshipOrgId: string, request: OrganizationSponsorshipCreateRequest) => Promise<void>;
     deleteRevokeSponsorship: (sponsoringOrganizationId: string) => Promise<void>;
     deleteRemoveSponsorship: (sponsoringOrgId: string) => Promise<void>;
+    postPreValidateSponsorshipToken: (sponsorshipToken: string) => Promise<boolean>;
     postRedeemSponsorship: (sponsorshipToken: string, request: OrganizationSponsorshipRedeemRequest) => Promise<void>;
     postResendSponsorshipOffer: (sponsoringOrgId: string) => Promise<void>;
 
diff --git a/common/src/services/api.service.ts b/common/src/services/api.service.ts
index 97145297db..46fdc1391e 100644
--- a/common/src/services/api.service.ts
+++ b/common/src/services/api.service.ts
@@ -1579,6 +1579,13 @@ export class ApiService implements ApiServiceAbstraction {
             '/organization/sponsorship/sponsored/' + sponsoringOrgId,
             null, true, false);
     }
+
+    async postPreValidateSponsorshipToken(sponsorshipToken: string): Promise<boolean> {
+        const r = await this.send('POST', '/organization/sponsorship/validate-token?sponsorshipToken=' + encodeURIComponent(sponsorshipToken),
+            null, true, true);
+        return r as boolean;
+    }
+
     async postRedeemSponsorship(sponsorshipToken: string, request: OrganizationSponsorshipRedeemRequest): Promise<void> {
         return await this.send('POST', '/organization/sponsorship/redeem?sponsorshipToken=' + encodeURIComponent(sponsorshipToken),
             request, true, false);