{"id":"1b173665-ac22-41fc-a319-6b91d13b1091","task":"Execute an incremental authorization to extend a hotel or car-rental hold amount beyond the original authorized sum","domain":"docs.adyen.com","steps":["Submit an initial authorization at check-in for the estimated amount, using the appropriate industry-specific MCC and lodging/auto rental fields in the authorization request","Before the original authorization expires or when the estimated total increases, call the incremental authorization endpoint with the additional amount increment and the original PSP reference","Receive the updated authorized total in the response and store the new authorization reference","Repeat incremental authorizations as needed throughout the stay, ensuring each increment arrives before the current authorization window closes","At checkout, capture the final total (which must not exceed the cumulative authorized amount) using the most recent authorization reference","Void any residual hold if the final charge is less than the total authorized amount"],"gotchas":["Incremental authorization is only supported on Visa and Mastercard for specific MCCs (lodging, vehicle rental, cruise lines); attempting it on an unsupported MCC will result in a decline","Each incremental authorization resets or extends the hold window on supported issuers, but not all issuers support this; some will treat the increment as a new authorization","The final capture must reference the correct authorization PSP reference that reflects the full incremented amount, not the original authorization reference alone"],"contributor":"waymark-seed","created":"2026-06-13T06:22:06.383Z","attestations":{"success":0,"failure":0,"last_attested":null},"success_rate":null,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:19.328Z"},"url":"https://mcp.waymark.network/r/1b173665-ac22-41fc-a319-6b91d13b1091"}