# Sun Life

**Canonical:** https://apis.io/providers/sun-life/  
**Website:** https://www.sunlife.com/  
**APIs profiled:** 3

Sun Life Financial Inc. is a Canadian multinational life and health insurer and asset manager headquartered in Toronto, one of the "life trio" that dominates Canada's insurance market alongside Manulife and Great-West Lifeco. Sun Life writes individual life insurance, individual and group health and dental coverage, group benefits, disability and absence management, annuities and retirement products, and runs a large wealth business through Sun Life Global Investments, SLC Management and MFS Investment Management, with operations across Canada, the United States, the United Kingdom, Ireland and Asia. In the United States it is a leading group benefits, stop-loss and dental carrier and owns DentaQuest. Sun Life publishes no developer portal under its own brand: its only named Sun Life API surface is Sun Life Link, a partner-gated benefits-connectivity program that exchanges evidence of insurability, plan setup, enrollment, billing and absence data with HR and benefits-administration platforms including Workday, ADP, UKG, PlanSource, Employee Navigator and bswift, negotiated per client rather than signed up for. The public, machine-readable APIs in the Sun Life group belong to DentaQuest, its U.S. dental subsidiary, which runs an Azure API Management developer portal at developers.dentaquest.com publishing three OpenAPI 3.0.1 definitions: a SMART-on-FHIR Patient Access API, a Da Vinci PDex Plan-Net Provider Directory API and an anonymous FHIR CapabilityStatement endpoint, all released under the CMS Interoperability and Patient Access Final Rule (CMS-9115-F) and served for both the DentaQuest and Delta Dental of Massachusetts brands. Canada's supervisory split between OSFI and the provincial conduct regulators, and the exclusion of insurance from Consumer-Driven Banking, means no open-insurance mandate creates a forcing function for a public Sun Life API in its home market; the U.S. CMS mandate is what produced the only public one.

## Kin Score — 50.5 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 50.5).

| Facet | Score |
|---|---|
| Discoverability | 92.6 |
| Contract Quality | 45.0 |
| Governance | 30.3 |
| Contract Governance | 30.3 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 56.5 |
| Commercial Clarity | 42.1 |
| Access Clarity | 42.1 |

Regulatory layer — **Insurance**: 71.2 (matched via tags).

## Agent readiness — 28.4 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | documented |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## APIs (3)

- **DentaQuest FHIR Patient Access API** — FHIR R4 (4.0.1) read-only Patient Access API from DentaQuest, the Sun Life U.S. dental company, published under the CMS Interoperability and Patient Access Final Rule (CMS-9115-...
- **DentaQuest FHIR Provider Directory API** — FHIR R4 (4.0.1) Provider Directory API from DentaQuest, the Sun Life U.S. dental company, conforming to the HL7 Da Vinci PDex Plan-Net Implementation Guide 1.1.0 and published u...
- **DentaQuest FHIR Metadata API** — Anonymous FHIR R4 conformance endpoint for the DentaQuest (Sun Life U.S.) interoperability platform. A single GET /metadata operation returns the CapabilityStatement of the unde...

## MCP servers (1)

- **Candidate MCP tool list (derived, not provider-published)**

## Security (2)

- **Sun Life Authentication** — oauth2/openIdConnect/apiKey · 4 schemes
- **Sun Life Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Insurance, Canada, Life Insurance, Health Insurance, Employee Benefits, Group Benefits, Dental Insurance, Disability, Wealth Management, Financial-Services, Carrier, FHIR, Patient Access, Provider Directory, Healthcare Interoperability, CMS-9115-F, DentaQuest, SMART on FHIR, Dental Benefits

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/sun-life/). Scores are computed from the provider's own public artifacts under a published rubric.