generated: '2026-08-02' method: searched source: https://developer.401go.com/docs/getting-started available: true access: gated public_self_serve: false environments: - name: sandbox url: null url_note: >- No sandbox base URL is published. It is issued to a partner after onboarding. sandbox.401go.com resolves (ghs.googlehosted.com) but is not documented as the API sandbox host. credentials: issued by 401GO after onboarding purpose: build and test an integration before production credentials are issued - name: production url: https://app.401go.com/api credentials: >- Production client credentials are issued only after 401GO verifies the integration's functionality and compliance, at the start of the beta phase. how_to_get_access: contact: partnersupport@401go.com steps: - Contact 401GO to define scopes, timelines and requirements; a developer contact is assigned. - Request endpoint + HTTP-method level access for the operations your use case needs. - Receive sandbox access and build/test the integration. - 401GO verifies functionality and compliance with its standards. - Production credentials are issued; the integration enters a beta phase with select clients. - Full release to all interested users. access_request_form: https://forms.gle/KQm63UQyytqTdVDe8 docs: https://developer.401go.com/docs/getting-started test_vs_live_separation: key_prefixes: [] mode_flag: null note: >- 401GO does not publish a test/live key-prefix or mode convention. Separation is by environment and by separately-issued credential sets, not by a key namespace. magic_test_values: [] test_clocks: null fixture_tooling: null simulation_triggers: [] values_note: >- No test identifiers, test SSNs, test participant ids, seeded companies, decline/failure simulation values, or fixture tooling are published anywhere in the developer docs. NOTHING is invented here — the sandbox exists and is documented, but its test data surface is not public. interactive_console: url: https://developer.401go.com/reference/companies_list type: ReadMe API Explorer note: >- Each of the 72 reference pages on the ReadMe-hosted portal renders a try-it console with a request builder and code samples. Requires your own credentials — there is no anonymous demo key. gaps: - No published sandbox base URL. - No self-serve sandbox signup; access requires a partner conversation. - No published test data, magic values, or fixtures. - No time simulation or event-trigger tooling.