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API reference · 18.08.2026
Request registration for an auction and check whether the signed-in bidder is registered.
/v1/auctions/{id}/registrationApi-Key headermember token
Signed-in member. Send the token from POST /v1/sessions. Always send Api-Key as well.
| Name | In | Type | Required |
|---|---|---|---|
id | path | integer (int32) | yes |
| Status | Meaning | Body |
|---|---|---|
200 | OK | — |
/v1/auctions/{id}/registrationApi-Key headermember token
A member must be registered for an auction before they can bid in it. The auction comes
from the URL and the member from your token, so the body carries only what neither can
supply:
<list type="bullet"><item><description>PaymentMethod — where the auction charges a registration fee or
takes a deposit.</description></item><item><description>LotUrl — the page the member was on, used in the confirmation
email so they can get back to it.</description></item><item><description>InvoiceId — when the registration is settled against an existing
invoice.</description></item></list>
Registration is a <i>request</i>. Check the outcome withGET /v1/auctions/{id}/registration, which reports whether it has been granted;approval may be immediate or may wait on payment or a manual check.
| Name | In | Type | Required |
|---|---|---|---|
idThe auction to register for. | path | integer (int32) | yes |
application/json · AddAuctionRegistrationRequest| Property | Type | Required |
|---|---|---|
PaymentMethod | string | no |
LotUrl | string | no |
InvoiceId | integer (int32) | no |
| Status | Meaning | Body |
|---|---|---|
200 | OK | HttpResponseMessage |