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Finance & Accounting

Best Unified Api in 2026

  1. 01 Nango

    Nango suits teams building API integrations as code for products or AI agents, especially those needing managed authentication, syncs or runtime monitoring.

    From $50/mo Free plan Open source Web · API · Self-hosted
    8.8 Visit Specs
  2. 02 API2Cart
    From $300/mo Free trial Web · API · Self-hosted
    8.6 Visit Specs
  3. 03 Knit

    The Unified API is aimed at B2B SaaS teams, while the Integrations Agent is intended for non-technical teams.

    From $29/mo Free plan Web · iOS · Android · API
    8.6 Visit Specs
  4. 04 Apideck
    From $599/mo Free trial Web · API
    8.2 Visit Specs
  5. 05 MX

    MX suits financial institutions and fintechs that need permission-based financial data for digital services.

    Free plan Web · iOS · Android · API
    8.1 Visit Specs
  6. 06 Mono
    From 50,000 NGN/mo Free trial Web · API
    8.0 Visit Specs
  7. 07 Pipedream

    Pipedream suits developers and teams building API integrations or AI-agent workflows with code, no-code steps, or MCP tools.

    From $99/mo Free plan Web · API
    7.9 Visit Specs
  8. 08 Akoya
    Free trial Web · API
    7.8 Visit Specs
  9. 09 Truto Accounting API
    From $83.25/mo Free trial Web · API · Self-hosted
    7.7 Visit Specs
  10. 10 Lean Technologies
    Web · iOS · Android · API
    7.6 Visit Specs
  11. 11 Merge
    From $650/mo Web · API
    7.6 Visit Specs
  12. 12 TrueLayer Data API

    TrueLayer Data API suits businesses building financial services around data from integrated banks, including account verification, aggregation or affordability checks.

    Free plan Web · iOS · Android · API
    7.6 Visit Specs
  13. 13 Codat
    Web · API
    7.5 Visit Specs
  14. 14 Gr4vy

    It suits merchants and payment platforms seeking centralized payment connections and configurable routing.

    Web · iOS · Android · API
    7.5 Visit Specs
  15. 15 Nylas Scheduler
    From $15/mo Free plan Web
    7.5 Visit Specs
  16. 16 Unipile Social Media API
    From $3.50/mo Free trial Web · API · Browser extension
    7.5 Visit Specs
  17. 17 Plaid

    Plaid describes Pay as You Go for individuals and developers, Growth for small teams and startups, and Custom for businesses that need to scale.

    Free trial Web · iOS · Android · API
    7.4 Visit Specs
  18. 18 Unified.to Accounting API
    From $750/mo Free trial Web · API
    7.4 Visit Specs
  19. 19 Rutter
    Free plan Web · API
    7.3 Visit Specs
  20. 20 Spreedly
    From $750/mo Web · API
    7.2 Visit Specs
  21. 21 Primer

    Primer is aimed at merchants managing payments across checkout and payout, including businesses in travel, fintech, platforms, retail, and entertainment.

    Web · iOS · Android · API
    7.1 Visit Specs
  22. 22 Salt Edge Payment Initiation

    It suits businesses needing open-banking account payments across Europe and the UK, including e-commerce, lending, travel, and corporate payment operations.

    Web · API
    6.9 Visit Specs
  23. 23 Tink

    Tink suits businesses building payment, onboarding, financial-data or risk workflows across European markets.

    Web · API
    6.9 Visit Specs
  24. 24 Yapily Data
    API
    6.7 Visit Specs
  25. 25 BindbeeBindbee Inc.
    Web · API
    6.1 Visit Specs
How this list is ordered. Specifiction scores each tool on how fully its maker documents it, whether its prices are published, where the research puts it, the platforms it runs on and whether it can be tried for free (how we rank). Makers can also buy a numbered place (how Specifiction is paid for).

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