The unified API comparison matrix

Capability	Recommended	Merge	Kombo	Codat	Paragon	Chift	Maesn	Rutter	StackOne	Membrane	Unified.to
Supported APIs	AccountingCRMHRIS+6	AccountingATSCRM+3	HRISATSPayroll+1	AccountingBankingE-commerce+1	CRMMarketing AutomationTicketing+4	AccountingInvoicingE-commerce+4	AccountingERP	Accounting/ERPCommercePayments+2	HRISATSLMS+4	CRMCommunicationProject Management+5	CRMHRISATS+8
Technology	Unified API	Unified API	Unified API	Unified API	Embedded IPaaS	Unified API	Unified API	Unified API	Unified API	Unified API	Unified API
Supported connectors	200+	220+	250+	35+	130+	100+	30+	60+	270+	100,000+ (AI-generated on demand)	440+
CRUD operations
Data freshness	Real-time ⚡️	Configurable sync	Configurable sync	Configurable sync	Real-time ⚡️	Configurable sync	Real-time ⚡️	Configurable sync	Real-time + sync	Real-time ⚡️	Real-time ⚡️
Raw Data							-	-	-	-
Pricing modelLearn more →	Pay per consumer	Pay per Linked Account	Annual + per-customer	Quote only	Per Connected User	Quote only	Tiered + usage	Quote only	Per action call	Freemium + credits	Pay per API call
Pricing range	$$	$$$	$$$	$$$	$$$	$$	$	$$	$$$	$	$$
Free plan			Sandbox only				Sandbox only	Sandbox only
Trial				Sandbox only				Sandbox only
Connections	Per Unified API in plan	Pay per connection	Pay per connection	Pay per connection	Per connected user	-	Pay per connection	Custom (enterprise quote)	Per action call	Per credit	Unlimited
Custom field mappingsLearn more →						-	-	-	-	-	-
Custom integration UILearn more →										-
Node.js SDK
PHP SDK		-		Community	-		-		Beta
Python SDK					-		-
.NET SDK							-		Beta
CLILearn more →											Beta
Hosting regions	EU	US, EU, APAC	EU, US	UK, US	-	EU	EU	US	EU, US	N/A (no data at rest)	US, EU, AU
Region selection		Per-account	Per-account	-	-				Multi-region	N/A
VPC / self-hosted		Single-tenant			-	-	-		-	-	Enterprise
Certifications	SOC 2 Type IIGDPR	SOC 2 Type IIISO 27001HIPAA+2	SOC 2 Type IIISO 27001HIPAA+1	SOC 2 Type IIISO 27001	SOC 2 Type IIGDPR	ISO 27001GDPR	ISO 27001GDPR	SOC 2 Type IIGDPR	SOC 2 Type IIHIPAACCPA+1	SOC 2 Type IIGDPR	SOC 2 Type IIHIPAAGDPR+2
Integrations marketplaceLearn more →
Custom OAuth credentials						-	-	-	-	-
OSS code samples							-			-
Public OpenAPI specs							-
Data caching	Data minimization	Data sync	Data sync	Data sync	Data minimization	Data sync	Data minimization	Data sync	No PII cache	Real-time (no persistence)	Real-time (no persistence)
llms.txt for AI agents
Hosted MCP server (AI agents)Learn more →					Self-hosted only	Self-hosted only	Beta (self-hosted)
Agent templates	Coming soon
Data Scopes (field-level control)Learn more →				Object-level only				Object-level only	-	-	-
WebhooksLearn more →	Virtual + Native	Virtual + Native	Virtual + Native	Native	Native	Native	Virtual + Native	Virtual + Native	Virtual + Native	Native	Virtual + Native
Proxy API (passthrough)Learn more →					Beta		-	-	-	-
API ExplorerLearn more →						-	-	-	-		-
LogsLearn more →							-		-	-
Token Migration		-	-	-	-	-	-	-	-	-	-
Connector Prioritization			-			-	-	-	-	-
Slack Support							-	-	-	-

Sources: each vendor's own homepage, pricing, and developer docs (verified April 2026). "—" indicates information that is not publicly verifiable. Click a competitor logo for the full side-by-side comparison and FAQ.