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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: Supabase (Database & Backend) and Plaid (Open Banking) are in different software categories. This comparison may be relevant if you are evaluating them for overlapping use cases. For same-category comparisons, browse Database & Backend tools.

Head-to-Head Specification Audit

Supabase vs Plaid

Open Source Firebase Alternative · Global

Database & Backend

Supabase

Open Source Firebase Alternative · Global

Visit Supabase

Open Banking

Plaid

Financial Data API Platform · United States

Visit Plaid

Specification Matrix

MetricSupabasePlaid
Starting Price$25/mo$0/moBetter
API Rate Limit500 req/minBetter300 req/min
Target CountryGlobalUnited States
CategoryDatabase & BackendOpen Banking
Compliance (vendor-stated)GDPR, SOC2SOC2, GLBA, CCPA, PCI-DSS
Hosting RegionsEU-West, US-East, AP-SoutheastUS-East, US-West
Native Integrations6 listedTie6 listedTie

Supabase — Key Specs

Vendor-stated
  • PostgreSQL with RLS, Edge Functions, Realtime, Auth, Storage
  • pgvector extension: vector similarity search without Pinecone
  • SOC 2 Type II, GDPR DPA (EU data residency available)
  • Free tier: 500MB database + 2GB storage forever

Plaid — Key Specs

Vendor-stated
  • Largest open banking network in the US — connects to 12,000+ institutions
  • Identity verification, income verification, transaction enrichment
  • SOC 2 Type II, GLBA, CCPA compliant
  • Tokenisation protects user credentials — no password storage

Frequently Asked Questions

Which is lower-priced, Supabase or Plaid?+

Plaid starts at Free plan available, which is lower than Supabase at $25/mo. Verify current pricing on each vendor's website.

Which compliance frameworks do Supabase and Plaid list?+

Both list SOC2 in their vendor documentation. Supabase additionally lists GDPR. Plaid additionally lists GLBA, CCPA, PCI-DSS. These are vendor-stated frameworks. VektorIndex has not independently audited these claims.

Which has a higher documented API rate limit — Supabase or Plaid?+

Supabase has a higher documented API rate limit at 500 req/min versus Plaid at 300 req/min.

Which data hosting regions do Supabase and Plaid support?+

Supabase lists hosting regions: EU-West, US-East, AP-Southeast. Plaid lists hosting regions: US-East, US-West. For data residency requirements in Global, 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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Supabase vs Plaid for Open Source Firebase Alternative in Global | VektorIndex