Merge

API

Unified API for HRIS, ATS, CRM, accounting and other SaaS integrations

Price: Free tier, then paid
Access: API key and account token

About

Merge offers one API and data model per category (HRIS, ATS, CRM, accounting, ticketing, file storage and more) across 260+ integrations such as Workday, BambooHR and Greenhouse. End users connect accounts through Merge Link; 3 production linked accounts are free.

What you can do with it

Read employees, payroll and time off from whichever HRIS your customers use
Sync candidates, jobs and applications across ATS platforms
Sync CRM contacts and deals, or invoices and payments through Merge's unified APIs

Get started

Copy your API key from the Merge dashboard
Create a test Linked Account and copy its account token
Link an accounting provider before calling the Accounting endpoints

Example

curl https://api.merge.dev/api/hris/v1/employees \
  -H "Authorization: Bearer $MERGE_API_KEY" \
  -H "X-Account-Token: $MERGE_ACCOUNT_TOKEN"

curl https://api.merge.dev/api/ats/v1/applications \
  -H "Authorization: Bearer $MERGE_API_KEY" \
  -H "X-Account-Token: $MERGE_ACCOUNT_TOKEN"

curl https://api.merge.dev/api/accounting/v1/invoices \
  -H "Authorization: Bearer $MERGE_API_KEY" \
  -H "X-Account-Token: $MERGE_ACCOUNT_TOKEN"

# EU: api-eu.merge.dev, APAC: api-ap.merge.dev

Details

Hosting: Hosted service
Available in: Worldwide
Official SDKs: JavaScript/TypeScript, Java, Python, Go, Ruby, C#
MCP server: Local
Works with: Salesforce, HubSpot, Workday, BambooHR, Rippling, ADP, Greenhouse, Lever