aid: arbital-health name: Arbital Health description: 'Arbital Health is a healthcare technology and actuarial-services company building the neutral third-party infrastructure for adjudicating outcomes-based (value-based care) contracts between payers, providers, employers, risk-bearing entities and point-solution vendors. Its cloud platform centralizes risk contracts, ingests and validates claims and eligibility data, runs actuarial calculations (IBNR, MLR, benchmarks, attribution), predicts and monitors contract performance, and adjudicates settlement between the parties. Product lines include the Adjudication Platform, ATLAS, Merlin AI, and Arbital Flex — a self-serve actuarial AI tool for payors and providers — alongside a traditional actuarial consulting practice built on the acquired Santa Barbara Actuaries team. The company launched in 2024, raised a $10M Series A led by Transformation Capital, and holds SOC 2 Type 2 and HITRUST i1 certification.' image: https://44728686.fs1.hubspotusercontent-na1.net/hubfs/44728686/Arbital_Logo_Full_Color_KO_rgb_022124.png url: https://raw.githubusercontent.com/api-evangelist/arbital-health/refs/heads/main/apis.yml x-type: company x-source: harvest:secondary-market specificationVersion: '0.23' created: '2026-08-06' modified: '2026-08-06' tags: - Company - Healthcare - Health Insurance - Value-Based Care - Actuarial - Claims - Payers - Providers - Analytics - Artificial Intelligence apis: - aid: arbital-health:platform-api name: Arbital Health Platform API description: 'The JSON API behind the Arbital Health adjudication platform at platform.arbitalhealth.com. Observed live and returning JSON, but every resource path answers 401 {"error":"Unauthorized"} to an anonymous caller and no public reference, OpenAPI or developer portal is published. Only /api/health is anonymously readable. Access is customer-only, brokered through the platform''s PropelAuth-backed OpenID Connect tenant at auth.arbitalhealth.com.' humanURL: https://arbitalhealth.com/adjudication-platform baseURL: https://platform.arbitalhealth.com/api tags: - Healthcare - Value-Based Care - Claims - Contracts x-access: customer-only x-evidence: fetched: '2026-08-06' probes: - url: https://platform.arbitalhealth.com/api/health status: 200 note: '{"status":"healthy","timestamp":"..."} — the only anonymous 200' - url: https://platform.arbitalhealth.com/api/v1 status: 401 note: '{"error":"Unauthorized"}' - url: https://platform.arbitalhealth.com/api/openapi.json status: 401 note: '{"error":"Unauthorized"} — no anonymous spec' properties: - type: Login url: https://platform.arbitalhealth.com/ maintainers: - FN: Kin Lane email: kin@apievangelist.com - FN: APIs.json email: info@apis.io common: - type: Website url: https://arbitalhealth.com - type: Blog url: https://arbitalhealth.com/blog - type: BlogRSS url: https://arbitalhealth.com/blog/rss.xml - type: PrivacyPolicy url: https://arbitalhealth.com/privacy-policy - type: Login url: https://platform.arbitalhealth.com/ - type: Careers url: https://arbitalhealth.com/careers - type: LinkedIn url: https://www.linkedin.com/company/arbital-health/ - type: Twitter url: https://twitter.com/arbitalhealth - type: TrustCenter url: security/arbital-health-trust-center.yml - type: Compliance url: https://security.arbitalhealth.com/ - type: Security url: https://security.arbitalhealth.com/ - type: VulnerabilityDisclosure url: security/arbital-health-vulnerability-disclosure.yml - type: DomainSecurity url: security/arbital-health-domain-security.yml - type: WellKnown url: well-known/arbital-health-well-known.yml - type: Authentication url: authentication/arbital-health-authentication.yml - type: OAuthScopes url: scopes/arbital-health-scopes.yml - type: Conformance url: conformance/arbital-health-conformance.yml - type: LLMsTxt url: llms/arbital-health-llms.txt x-enrichment: date: '2026-08-06' status: minimal artifacts_added: 9 pass: local-v1 x-coverage: state: gated reason: customer-only-docs detail: >- Arbital Health runs a real JSON API at platform.arbitalhealth.com/api — /api/health answers 200 — but every resource path, including /api/openapi.json, returns 401 {"error":"Unauthorized"} to an anonymous caller, and no developer portal, API reference or spec exists anywhere on the marketing site (arbitalhealth.com is a 13-page HubSpot CMS site with no /docs, /developers or /api route). evidence: - url: https://platform.arbitalhealth.com/api/health status: 200 - url: https://platform.arbitalhealth.com/api/openapi.json status: 401 - url: https://arbitalhealth.com/openapi.json status: 404 - url: https://arbitalhealth.com/developers status: 404 - url: https://auth.arbitalhealth.com/.well-known/openid-configuration status: 200 checked: '2026-08-06'