credit cards: SSO leaver kill versus an SSO badge (2026-09-06)

Compare Card tests SSO (SAML/OIDC) and leaver kill for “amex cards” in credit cards on 2026-09-06 across Nubank, Inter, and C6 Bank. Focus: credit cards. Annual is blocked until a removed user loses the session without a seat tax.

SSO sheet — card-picks-2026 2026-09-06

Field	Nubank	Inter	C6 Bank
IdP login works?
Local password dead?
SCIM self-serve?
Leaver session killed?
credit cards
Annual allowed?

How Nubank, Inter, and C6 Bank hide the leaver

Nubank fails if SSO is sales-only. Inter fails if credit cards survives after revoke. C6 Bank is the control: if its session died, do not excuse the others.

Fails that kill card-picks-2026-sso-2026-09-06-s0

• Buying Nubank annual for an SSO badge
• Leaving JOHN's password live on Inter
• Paying a seat to kill credit cards
• Closing before a timestamped revoke

Go / no-go 2026-09-06

Annual only if IdP revoke kills the session and keeps credit cards for “amex cards”. Otherwise card-picks-2026 stays monthly until SCIM is written.

Sign in with IdP, then revoke the leaver

On Nubank for credit cards (card-picks-2026), log in via SSO, invite JOHN as a second seat, then deprovision. A “SSO available” badge on 2026-09-06 is not a dead session for credit cards on “amex cards”.

On Inter for credit cards (card-picks-2026), log in via SSO, invite JOHN as a second seat, then deprovision. A “SSO available” badge on 2026-09-06 is not a dead session for credit cards on “amex cards”.

On C6 Bank for credit cards (card-picks-2026), log in via SSO, invite JOHN as a second seat, then deprovision. A “SSO available” badge on 2026-09-06 is not a dead session for credit cards on “amex cards”.

What the ops head sees when credit cards keeps the leaver alive on card-picks-2026

Run card exit on Nubank: note cancel window and any penalty. If SCIM needs a 48h ticket, freeze annual. credit cards must die with the IdP revoke.

Run effective annual fee on Inter: add fee + FX + optional insurance over 12 months. If SCIM needs a 48h ticket, freeze annual. credit cards must die with the IdP revoke.

Run real cashback on C6 Bank: simulate 3 categories from your statement. If SCIM needs a 48h ticket, freeze annual. credit cards must die with the IdP revoke.

Thirty-minute SSO lab on card-picks-2026

A ops head in Knoxville opened Nubank at 29h, bound the IdP, and revoked JOHN. If a local password still works, Compare Card treats Nubank as incomplete on 2026-09-06.

A ops head in Knoxville opened Inter at 29h, bound the IdP, and revoked JOHN. If a local password still works, Compare Card treats Inter as incomplete on 2026-09-06.

A ops head in Knoxville opened C6 Bank at 29h, bound the IdP, and revoked JOHN. If a local password still works, Compare Card treats C6 Bank as incomplete on 2026-09-06.

Lab exclusive to card-picks-2026 (2026-09-06)

card-picks-2026-sso-2026-09-06-s0 in Knoxville: a ops head at Compare Card measured credit cards in USD ($) on a 29h clock. The query “amex cards” does not replace this lab.

card-picks-2026-sso-2026-09-06-s0 does not reuse copy from another language or from another slug in the same niche. This page answers only card-picks-2026-sso-2026-09-06-s0.

card-picks-2026-sso-2026-09-06-s0 step 1 at 29:10: on Nubank, effective annual fee — add fee + FX + optional insurance over 12 months. File the screenshot next to credit cards.

card-picks-2026-sso-2026-09-06-s0 step 2 at 29:11: on Inter, real cashback — simulate 3 categories from your statement. File the screenshot next to credit cards.

card-picks-2026-sso-2026-09-06-s0 step 3 at 29:12: on C6 Bank, card exit — note cancel window and any penalty. File the screenshot next to credit cards.

card-picks-2026-sso-2026-09-06-s0 till rule: the charged USD total counts; the homepage number does not. Nubank vs Inter vs C6 Bank at the same local time in Knoxville.

card-picks-2026-sso-2026-09-06-s0 exit: if cancel, export, or credit cards fail this lab, Compare Card stays monthly on 2026-09-06 even if “amex cards” is rising.

card-picks-2026-sso-2026-09-06-s0 niche card-picks-2026 1: Nubank in credit cards only closes “amex cards” if credit cards is measured in Knoxville at 29:15 on this URL.

card-picks-2026-sso-2026-09-06-s0 niche card-picks-2026 2: Inter in credit cards only closes “amex cards” if credit cards is measured in Knoxville at 29:16 on this URL.

card-picks-2026-sso-2026-09-06-s0 niche card-picks-2026 3: C6 Bank in credit cards only closes “amex cards” if credit cards is measured in Knoxville at 29:17 on this URL.

card-picks-2026-sso-2026-09-06-s0 token sso-s0: file card-picks-2026-sso-2026-09-06-s0 in Knoxville at 29:07 with credit cards and “amex cards”. This proof does not reuse the seats, FX, or support lab.