Unified.to Accounting API
Unified.to Accounting API: A paid API layer for standardized read/write accounting integrations. Ranked #4 of 28 in Accounting APIs by our editors (9.0/10); pricing: 30-day trial; best for enterprise normalized accounting connectivity.
At a glance
- Editor score9.0 / 10
- Pricing30-day trial
- Best forEnterprise normalized accounting connectivity
- Free planNo
- Paid from$750/mo
- Sync directionTwo_way
- Facts checked20 Sep 2026
Where it wins
- Normalized read/write models for accounts, invoices, journals, and more
- Sandbox, webhooks, OAuth 2, SDKs, and API documentation included
- Connects QuickBooks, Xero, NetSuite, Sage, and other platforms
Where it doesn't
- Plans start at $750 per month with no free plan
- Enterprise pricing is custom rather than publicly specified
- The listed accounting integration set covers nine platforms
Our verdict on Unified.to Accounting API
Unified.to Accounting API gives software teams one interface for connecting applications to accounting platforms. It is designed for SaaS and AI products that need customer-facing accounting connectivity without maintaining each provider connection separately. The API standardizes objects such as accounts, transactions, journals, invoices, bills, contacts, balances, profit and loss, and cash flow, with read and write access across supported providers. Webhooks, synthetic sandbox data, OAuth-based authorization, bearer-token API access, SDKs, and API reference documentation support product development and ongoing synchronization.
Pricing is organized into four monthly tiers. Grow costs $750 per month and includes 750,000 monthly API calls, unlimited customers, unlimited connections, 33+ Unified APIs, 865+ pre-built integrations, and virtual webhooks with database sync. Pro costs $1,500 per month and raises the allowance to 2,000,000 monthly API calls, adding SAML SSO, Secrets Manager key storage, and integration request priority. Scale costs $3,000 per month and includes 6,000,000 monthly API calls, 365+ day log retention, premium support, and a BAA for HIPAA compliance. Enterprise is custom, with deployment options including single-tenant, private cloud, dedicated cloud, or on-premise, plus prioritized 24/7 support.
Its ecosystem fit is the main reason to consider it: the accounting connectors include QuickBooks, Xero, NetSuite, Sage Accounting, Sage Intacct, Microsoft Dynamics 365 Business Central, Odoo, Zoho Books, and FreshBooks. The combination of normalized models, two-way data access, native and virtual webhooks, and sandbox testing suits teams building multi-provider accounting features. Buyers should choose Unified.to when standardized connectivity and enterprise controls justify a paid API layer. Teams seeking a free starting point, lower entry pricing, or a narrower single-provider integration should consider a more focused alternative.
Your product? Our editors can test Unified.to Accounting API in depth and publish a review, labelled as paid · from $149/mo →
Unified.to Accounting API pricing
All 4 Unified.to Accounting API plans and prices →
Unified.to Accounting API fact sheet
| Free plan | No |
|---|---|
| Paid from | $750/mo |
| Included connections | Not verified |
| Invoice sync | Yes |
| Journal entries | Yes |
| Sync direction | Two_way |
| Webhooks | Yes |
| Sandbox environment | Yes |
| API authentication | Api_key |
| Free trial | 30 days |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Compliance & security | SOC 2, GDPR, HIPAA, SSO/SAML |
| Support | Community, Email, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 188+ integrations: QuickBooks, Xero, NetSuite, Sage Accounting, Sage Intacct, Microsoft Dynamics 365 Business Central … See all → |
| Pricing | 30-day trial (source) |
| Website | unified.to |
| Facts checked | 20 Sep 2026 |
Unified.to Accounting API integrations
Unified.to Accounting API lists 188+ integrations on its own site — the 9 named here are the ones its pages call out.
- QuickBooks
- Xero
- NetSuite
- Sage Accounting
- Sage Intacct
- Microsoft Dynamics 365 Business Central
- Odoo
- Zoho Books
- FreshBooks
See all Unified.to Accounting API integrations →
Alternatives to Unified.to Accounting API
- RutterA broad accounting API for bidirectional sync across 15 listed platforms.9.4
- MergeA developer-focused accounting API with normalized models, two-way sync, and sandbox support.9.3
- ApideckA mature unified accounting API for teams connecting multiple finance systems.9.1
See all Unified.to Accounting API alternatives →
Unified.to Accounting API vs the competition
- Unified.to Accounting API vs Rutter
- Unified.to Accounting API vs Merge
- Unified.to Accounting API vs Apideck
- Unified.to Accounting API vs Codat
- Unified.to Accounting API vs Validis
- Unified.to Accounting API vs Xero Accounting API
Compare Unified.to Accounting API with any tool side by side →
Also Ranked In
Unified.to Accounting API is ranked in 3 of our directories.
Used Unified.to Accounting API? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Unified.to Accounting API for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
Unified.to Accounting API is listed in our Accounting APIs directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/unified-to-accounting-api/"><img src="https://www.itechguides.com/best/badge/unified-to-accounting-api.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update