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Independent directory. VektorIndex is not affiliated with or sponsored by any third-party vendor. (VektorIndex's own developer tools are also listed, identified by name.) All specifications are sourced from official vendor documentation and are not independently audited.
Note: Doximity (Healthcare Software) and PayFast (Payment Processing API) are in different software categories. This comparison may be relevant if you are evaluating them for overlapping use cases. For same-category comparisons, browse Healthcare Software tools.

Head-to-Head Specification Audit

Doximity vs PayFast

Physician Professional Network & Telemedicine · United States

Healthcare Software

Doximity

Physician Professional Network & Telemedicine · United States

Visit Doximity

Payment Processing API

PayFast

E-Commerce & SaaS Businesses · South Africa

Visit PayFast

Specification Matrix

MetricDoximityPayFast
Starting Price$0/moTie$0/moTie
API Rate Limit120 req/minBetter60 req/min
Target CountryUnited StatesSouth Africa
CategoryHealthcare SoftwarePayment Processing API
Compliance (vendor-stated)HIPAA, SOC2POPIA, PCI-DSS
Hosting RegionsUS-East, US-WestZA-Cape-Town, ZA-Johannesburg
Native Integrations5 listed6 listedBetter

Doximity — Key Specs

Vendor-stated
  • Largest physician network in US (80%+ of US physicians)
  • HIPAA-compliant telemedicine and secure messaging free for physicians
  • AI Drafts feature — generates patient messages from bullet points
  • Epic/Cerner integration for scheduling

PayFast — Key Specs

Vendor-stated
  • Only major payment gateway with POPIA-compliant ZA data residency by default
  • Supports EFT, credit card, Instant EFT, Mobicred, and SnapScan natively
  • No monthly fee — pay 2.0–3.5% per transaction only
  • Recurring billing API supports subscription SaaS models out of the box

Frequently Asked Questions

Which is lower-priced, Doximity or PayFast?+

Both tools start at Free plan available on their entry plans.

Which compliance frameworks do Doximity and PayFast list?+

Doximity additionally lists HIPAA, SOC2. PayFast additionally lists POPIA, PCI-DSS. These are vendor-stated frameworks. VektorIndex has not independently audited these claims.

Does Doximity or PayFast list POPIA as a supported compliance framework?+

PayFast lists POPIA (Protection of Personal Information Act) as a supported compliance framework per its vendor documentation. VektorIndex has not independently verified this claim. South African organisations should request the vendor's current Data Processing Agreement and confirm data residency settings before processing personal information. Doximity does not list POPIA as a supported compliance framework in its public documentation. Contact the vendor to confirm their position before processing South African personal information.

Which has a higher documented API rate limit — Doximity or PayFast?+

Doximity has a higher documented API rate limit at 120 req/min versus PayFast at 60 req/min.

Which data hosting regions do Doximity and PayFast support?+

Doximity lists hosting regions: US-East, US-West. PayFast lists hosting regions: ZA-Cape-Town, ZA-Johannesburg. For data residency requirements in United States, confirm exact region configuration directly with each vendor.

Data last updated: 29 August 2026Sourced from official vendor documentation. Not independently audited. Report incorrect information

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