Merge

Unified API for CRM, HR, ATS, and accounting integrations

CRM APIs
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What is Merge?

Unified API platform connecting products and AI agents to third-party systems. Single API interface to 260+ integrations across HRIS, ATS, CRM, Accounting, Ticketing, File Storage, Knowledge Base, and Chat systems. Also offers Agent Handler for connecting agents to tools and Gateway for LLM routing.

Key features

Merge Link

Drop-in React UI component for OAuth and API key flows; handles credential exchange with end users

Unified API

Single API returning normalized Common Model objects regardless of third-party provider; 8 categories with 260+ documented integrations

Common Models

Standardized data models (e.g., Employee, Candidate, Opportunity) normalized across all providers in each category

Passthrough Requests

Access underlying provider APIs directly when use cases fall outside normalized Common Models

Remote Data

Raw third-party payload returned alongside normalized records

SDKs

Official SDKs for Node, Python, Java (JVM), Go, and Ruby

Webhooks

Real-time data sync and update notifications

Configurable Sync Frequency

Automatic highest frequency, daily, monthly/quarterly, or manual on-demand syncs

Agent Handler

Connects agents to 190+ pre-built tools across third-party services

Gateway

LLM routing API with spend and performance controls; supports 270+ models from 20+ model families (OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, Qwen, others)

Merge pricing

PlanPriceWhat's included
LaunchFree for 3 production Linked Accounts; $650/month for up to 10 total production Linked AccountsUnlimited data usage, daily sync frequency, 100 requests/min rate limit per Linked Account, 3-day log retention, volume discounts available
ProfessionalContract-basedCustom fields, field-level scopes, customizable sync frequencies, 60-day sandbox access, SAML SSO, selective sync options, 30-day log retention, go-live support packages, 400 requests/min rate limit per Linked Account
EnterpriseContract-basedDedicated account manager with shared Slack channel, 90+ day log retention, audit trail, unlimited sandbox access, support and uptime SLAs, single-tenant and self-hosted options, 600 requests/min rate limit per Linked Account

Pros & cons

Pros

  • + Single API eliminates building and maintaining integrations with 260+ providers individually
  • + Normalized Common Models reduce development complexity across different platforms
  • + Handles ongoing provider API changes, OAuth refreshes, and credential management
  • + Passthrough and Remote Data prevent normalization from becoming a ceiling
  • + SOC 2 Type II, ISO 27001, HIPAA, and GDPR compliance built-in
  • + DLP (Data Loss Prevention) with response scanning available
  • + Trusted by major companies: OpenAI, Runway, Dropbox, Perplexity, Zoom, Bill
  • + Drop-in React component simplifies end-user OAuth flows
  • + Configurable sync frequencies from automatic to manual

Cons

  • − Professional and Enterprise pricing requires custom quote; not transparent upfront
  • − Embedded UI (Merge Link) may not fit all product designs without customization
  • − Rate limits vary by tier; Launch plan limited to 100 requests/min

Who is Merge best for?

  • • SaaS products offering customer-facing CRM, HRIS, ATS, or Accounting integrations
  • • Applications serving mid-market and enterprise customers requiring multi-provider support
  • • Teams wanting to launch integrations in weeks instead of quarters
  • • Compliance-heavy industries (financial services, HR tech, private equity) requiring SOC 2 and HIPAA
  • • AI applications needing structured data access across multiple third-party systems

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