generated: '2026-09-06' method: searched source: >- https://www.happen.com/ plus direct re-probes of the retired developer and LCX API documentation paths on both lendingclub.com and happen.com, and Wayback Machine availability lookups that date when each page was last served (re-verified 2026-09-06). summary: >- LendingClub has no current public API program. The company rebranded to Happen Bank and redirects lendingclub.com to happen.com; the former developer portal and Investor API documentation are no longer published. The legacy api.lendingclub.com host still answers with an authentication challenge but is undocumented and closed. rebrand: from: LendingClub to: Happen Bank, N.A. parent: Happen, Inc. domain_from: https://www.lendingclub.com/ domain_to: https://www.happen.com/ evidence: - url: https://www.lendingclub.com/ status: 200 note: 301/redirect chain resolves to https://www.happen.com/ - url: https://developer.lendingclub.com/ status: 200 note: redirects to the happen.com marketing homepage, not a developer portal - url: https://www.happen.com/ status: 200 note: page title "Happen Bank, formerly LendingClub" developer_program: status: retired portal_published: false documentation_published: false openapi_published: false evidence: - url: https://www.lendingclub.com/developers status: 404 - url: https://www.lendingclub.com/developers/api-overview status: 404 - url: https://www.happen.com/developers status: 404 - url: https://developer.happen.com/ status: 0 note: host does not resolve - url: https://www.happen.com/sitemap.xml status: 200 note: ~650-700 URLs, none developer/API related apis: - name: LendingClub Investor API (legacy) status: retired base_url: https://api.lendingclub.com version_path: /api/investor/v1 documented: false note: >- Served the retail Notes marketplace, which LendingClub retired in December 2020. The host remains live but is undocumented and appears closed to new consumers. probe: - path: /api/investor/v1/accounts/1/summary status: 401 note: authentication challenge - endpoint still routed - path: /api/investor/v1/loans/listing status: 403 note: forbidden / WAF - path: / status: 403 versioning: scheme: uri-path observed: v1 docs: null note: observed from the legacy /api/investor/v1 path only; no published versioning policy deprecation: policy_url: null sunset_header: null note: no published deprecation policy or RFC 8594 Sunset support found sla: url: null status_page: null status_page_evidence: - url: https://status.lendingclub.com/ status: 200 note: not a status page - redirects to the happen.com marketing homepage - url: https://status.happen.com/ status: 0 note: host does not resolve github_organization: url: https://github.com/LendingClub public_repos: 4 last_push: '2021-09-24' api_sdks: false repos: - name: gradle-maven-plugin language: Java description: maven plugin to invoke gradle - name: breeze-http-client language: Java - name: docker-java language: Java description: Java Docker API Client (fork) - name: neo4j-java-driver language: Java description: Neo4j Bolt driver for Java (fork) note: >- Internal Java tooling and upstream forks; none is a client library for a LendingClub API. No SDKs pointer is warranted. # --- added 2026-09-06: the retirement is datable, and there were THREE public API # surfaces, not one. All three documentation trees now return a real 404 (og:title # "Page Does Not Exist"), on the old domain and the new one alike. retired_documentation: method: searched note: >- Each page below was publicly served and is present in the Wayback Machine with an HTTP 200 snapshot on the date shown; each now returns a hard 404 on both www.lendingclub.com and www.happen.com. This dates the withdrawal of LendingClub's public API documentation to between March and September 2026, alongside the Happen Bank rebrand — it was not a long-dormant program. pages: - url: https://www.lendingclub.com/developers/api-overview title: Developers | LendingClub's API last_archived_200: '2026-03-13' archive: http://web.archive.org/web/20260313134141/https://www.lendingclub.com/developers/api-overview now: {lendingclub_com: 404, happen_com: 404} - url: https://www.lendingclub.com/developers/api-faq title: Developers | API FAQs now: {lendingclub_com: 404, happen_com: 404} - url: https://www.lendingclub.com/developers/considerations title: Developers | General Considerations now: {lendingclub_com: 404, happen_com: 404} - url: https://www.lendingclub.com/developers/my-api-settings title: Developers | My API Settings note: where an investor generated and rotated their API key now: {lendingclub_com: 404, happen_com: 404} - url: https://www.lendingclub.com/institutional-investing/lcxpm-api title: LendingClub Primary Market (LCX PM) Select Auction Technical Documentation last_archived_200: '2026-06-08' archive: http://web.archive.org/web/20260608113221/https://www.lendingclub.com/institutional-investing/lcxpm-api now: {lendingclub_com: 404, happen_com: 404} - url: https://www.lendingclub.com/institutional-investing/lcxsm-api title: LendingClub Secondary Market (LCX SM) Client-to-Client Technical Documentation last_archived_200: '2026-04-11' archive: http://web.archive.org/web/20260411082112/https://www.lendingclub.com/institutional-investing/lcxsm-api now: {lendingclub_com: 404, happen_com: 404} # Recorded from the ARCHIVED navigation only. No specification was authored, derived or # reconstructed from these pages, and none is claimed to exist: the archived documents are # JS-rendered shells whose operation detail never reached the served HTML. retired_apis: - name: LendingClub Primary Market (LCX PM) Select Auction API status: retired-documentation shape: REST maturity: beta (as stated on the archived page) documented_sections: - Market Logistics - Content Type - Authentication - Formatting - Execution Statuses - Select Auction Listings Summary - Select Auction Listings - Create Buy Order - Order History - Financial Summary - Notes Details - API Release Notes audience: approved institutional investors note: >- Described on the archived page as "a REST API service in beta that allows approved investors to participate programmatically in a dedicated auction of LendingClub loans." Section list read from the archived page navigation; operation paths, parameters and the base URL were never in the served HTML and are NOT recorded here. - name: LendingClub Secondary Market (LCX SM) Client-to-Client API status: retired-documentation shape: REST audience: approved institutional investors note: >- Client-to-client secondary-market trading API. Documentation page withdrawn; last archived 200 on 2026-04-11. # What the company still says it does, with no reference behind it. current_claim: url: https://www.happen.com/institutional-investing/overview status: 200 quote: >- "Benefit from API-driven purchasing, dynamic pricing, data transparency (100+ data fields per loan)" reference_published: false gate: url: https://www.happen.com/company/contact/institutions-and-banks status: 200 type: contact-sales form note: >- Marketplace Connect is still marketed as API-driven, and the only route to that API is now the institutions-and-banks contact form. The contract, the reference and the key issuance are all behind the same wall — which is the whole finding for this provider.