Mutualser EPS API, with Arbol. For the providers that care for its members.
Health insurer (EPS) in the subsidized and contributory regimesColombia
What Mutualser EPS is
Mutualser EPS is a health insurer (EPS) with mutual-society roots: it began as Asociación Mutual Montes de María, a community health enterprise.
Its administrative office is in Cartagena, and its members are in the Caribbean region, mainly in Bolívar, Córdoba and Atlántico.
Clinics work with Mutualser to report emergency care, request authorizations and manage patient referrals.
2,708,613 members as of August 2026: 2,342,211 in the subsidized regime and 366,402 in the contributory regime.
Source: minsalud.gov.co (opens in a new tab)Five Caribbean departments account for 99.5% of its members: Bolívar (33.8%), Córdoba (23.3%), Atlántico (21.2%), Sucre (11.5%) and Magdalena (9.7%).
Source: minsalud.gov.co (opens in a new tab)
Mutualser EPS API with Arbol
Arbol API
Arbol already has an API for the EPS: your tech team connects your systems to Mutualser EPS from there.
What Mutualser EPS offers
Providers use its Zonaser Prestador portal to report emergency care, request authorizations and manage referrals, following Technical Annex 1 of Resolution 2335 of 2023.
Mutualser EPS portal (opens in a new tab)What Arbol does with Mutualser EPS
- Answers Mutualser EPS members on your phone line, WhatsApp and web chat, at any hour.
- Asks for the order and the authorization before offering a slot, and prepares the case for your authorizations team.
- Books, confirms and reschedules on the calendar you already use, and offers every freed slot to the waiting list.
- Keeps every conversation on record for the reports of your contract with Mutualser EPS: fee-for-service, capitation or global prospective payment.
How Mutualser EPS connects to Arbol
You tell us how your practice works with Mutualser EPS: the contracted services and what it requires before an appointment.
We load those rules — orders, authorizations, sites and specialties — and your team approves them.
Arbol starts answering on your usual number and WhatsApp, with no system migration.
Mutualser EPS, combined
- Mutualser EPS+WhatsApp
- Mutualser EPS+Google Calendar
- Mutualser EPS+Microsoft Outlook
- Mutualser EPS+Calendly
- Mutualser EPS+Medifolios
- Mutualser EPS+gMedic
- Mutualser EPS+ViSof
- Mutualser EPS+Dynamics 365
- Mutualser EPS+Odoo
- Mutualser EPS+Zoho Bigin
- Mutualser EPS+Copper
- Mutualser EPS+Close
- Mutualser EPS+Attio
- Mutualser EPS+Capsule CRM
- Mutualser EPS+Agile CRM
- Mutualser EPS+Nutshell
- Mutualser EPS+Salesmate
- Mutualser EPS+Folk
- Mutualser EPS+QuickBooks
Questions about Mutualser EPS
Does Mutualser EPS have an API?
Providers use its Zonaser Prestador portal to report emergency care, request authorizations and manage referrals, following Technical Annex 1 of Resolution 2335 of 2023. Arbol already has an API for the EPS: your tech team connects your systems to Mutualser EPS from there.
Does Arbol have a partnership with Mutualser EPS?
No. Mutualser EPS is a trademark of its owner and does not sponsor or endorse Arbol. Arbol works on your organization's side, with the processes and accounts you already have with Mutualser EPS.
Does Arbol replace the Mutualser EPS portal?
No. What Mutualser EPS requires through its own channel — authorizing, filing, billing — stays there. Arbol leaves the case and the conversation ready so your team never starts from scratch.
What happens to patient data?
They are health data, sensitive under Colombia's Law 1581 of 2012: processed for a stated purpose, with the patient's authorization and with security measures, encryption and isolation per organization. Every conversation is recorded and exportable.
Trademarks and logos belong to their owners. Mutualser EPS does not sponsor or endorse Arbol.
Let's look at your operation with Mutualser EPS.
A 30-minute demo with your team: how you work today, what we connect first and how long it takes. You leave with a written proposal.