name: TCF Financial Corporation description: |- Profile for TCF Financial Corporation, a former Detroit-headquartered regional bank holding company (Twin City Building and Loan Association, founded 1923). TCF was merged into Huntington Bancshares Incorporated on June 9, 2021, and the TCF brand was fully retired. This repository is preserved for historical record only — TCF Financial no longer operates and exposes no APIs. All banking, treasury, deposit, and lending services formerly offered under the TCF brand are now operated by Huntington National Bank under the Huntington brand. See the huntington-bancshares repository for current API surface (which is itself minimal; Huntington exposes no public developer portal). image: https://avatars.githubusercontent.com/u/api-evangelist created: '2026-05-05' modified: '2026-05-23' url: https://github.com/api-evangelist/tcf-financial specificationVersion: '0.16' tags: - Banking - Regional Bank - Defunct - Merger - Historical apis: [] common: - type: Successor url: https://www.huntington.com - type: SuccessorGitHub url: https://github.com/Huntington-National-Bank - type: SuccessorProfile url: https://github.com/api-evangelist/huntington-bancshares - type: MergerAnnouncement url: https://ir.huntington.com/press-releases - type: SECEDGAR url: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000273288 - type: Wikipedia url: https://en.wikipedia.org/wiki/TCF_Financial_Corporation maintainers: - FN: API Evangelist url: https://apievangelist.com email: info@apievangelist.com x-status: defunct x-merged-into: huntington-bancshares x-merger-close-date: '2021-06-09' x-former-hq: Detroit, Michigan x-former-assets-usd-billions: 47.8 x-former-employees: 7123 x-former-branches: 478 x-former-states-served: - Minnesota - Illinois - Michigan - Colorado - Wisconsin - Ohio - South Dakota x-founded: '1923' x-former-ticker: TCF x-fortune: - Fortune 1000