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15FiveAPIintegration&MCPserver

Deliver real-time HR & Directory faster, close sales deals sooner, and scale without an integration backlog.

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Add 15Five and 78 other pre-built HR & Directory integrations

Real-time data to fuel countless HR use cases

Power AI copilots, insights, predictive analysis, and automation with a modern integration infrastructure that scales alongside you.

hris

Onboarding

Onboard employees and update profiles when roles change.

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hris

Offboarding

Seamlessly integrate employee data to automate the offboarding processess.

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hris

Track PTO

Pull time off (PTO) information to monitor and manage employee leave balances and schedules in real-time.

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Your product
or/and
AI agent
Unified.to
Unified API
or/and
Unified MCP
15Five
HRIS Timeoff
HRIS Group
HRIS Employee
Passthrough
HRIS Timeoff
HRIS Group
HRIS Employee
Passthrough
Your customer's data
on 15Five

Unified API data-models and methods

HRIS Timeoff
list get
HRIS Group
list get
HRIS Employee
list get
Passthrough
get post put patch delete

69 Unified MCP tools

list all employees3 parameters
retrieve an employee2 parameters
list all groups3 parameters
retrieve a group2 parameters
retrieve a timeoff2 parameters
list all timeoffs4 parameters
check api connection
list answers6 parameters
get answer details2 parameters
list people attributes 1 parameter
create people attribute2 parameters
get people attribute details2 parameters
list people attribute values 1 parameter
create people attribute value3 parameters
get people attribute details2 parameters
import users in bulk3 parameters
list departments2 parameters
get department details2 parameters
retrieve feature statuses
list groups2 parameters
create group8 parameters
update group9 parameters
get group details2 parameters
list group types2 parameters
create group type2 parameters
get group type details2 parameters
update group type5 parameters
update group type5 parameters
delete group type2 parameters
list high fives6 parameters
create high five2 parameters
get high five details2 parameters
create key results
update key results
update key result value3 parameters
list objectives9 parameters
create objectives
update objectives
get objective details2 parameters
get objective history2 parameters
list 1-on-1s10 parameters
get 1-on-1 details2 parameters
bulk export 1-on-1s
bulk export 1-on-1s to csv
list priorities4 parameters
create priorities
update priorities
retrieve pulse data5 parameters
get pulse details2 parameters
list questions3 parameters
get question details2 parameters
list check-ins5 parameters
get check-in details2 parameters
delete check-in2 parameters
list review cycles7 parameters
get review cycle details2 parameters
retrieve cycle questions and answers6 parameters
retrieve cycle's performance measurements7 parameters
list reviews with answers7 parameters
list security audit events2 parameters
list users7 parameters
get user details2 parameters
edit user21 parameters
create or update users in bulk
edit user21 parameters
list vacations2 parameters
create vacation
update vacation4 parameters
delete vacation2 parameters

The modern Unified API platform, built differently

Real-time, pass-through

Every request hits the source API live. No caching, no sync jobs, no stale data — just on-demand API reads/writes with native and virtual webhooks for instant updates.

Zero-storage by design

We never store end-customer data. Traffic is stateless and regionalized (US/EU/AU), reducing compliance scope and eliminating data-at-rest risk.

One API, deeply normalized

370+ integrations, 23 categories... Unified objects, endpoints, scopes, and errors—plus raw payload passthrough when you need provider-specific fields.

Custom fields & objects

Go beyond shallow schemas. We support custom fields and read/write on custom objects (e.g., Salesforce) via unified metadata APIs.

AI-ready integrations

Built for AI products: real-time streams for RAG/embeddings and Unified MCP tools that securely grant LLMs controlled integration access.

Predictable pricing, no lock-in

Transparent usage-based pricing that scales with API volume—not customers. Own your credentials and migrate anytime.

Add a 15Five integration to your application in hours

1Test drive integrations

Effortlessly test API calls, explore endpoints, and try out the 15Five integration using synthetic data in our Sandbox environment.

2Authorize connections

Drop in our Authorization component with a single line of code. Your users can then connect and grant access to their 15Five data.

3Start making API calls

Use the Connection ID to interact with 15Five via our unified API. We handle maintenance and updates so you can focus on your product.

Seamless Auth, no extra work

Unified.to removes the complexity of authentication and authorization so you can focus on building your product, not managing auth flows. Our pre-built UI and flexible API handle everything in the background—no extra setup required.

See documentation

Trusted by global product companies and developers to power integrations for innovative AI and SaaS applications

Humi.ca
Paidiem.com
HeroHunt.ai
HireTechLadies.com
Sailes.ai
Foresight
Recital
Talin
Sync2Hire
Humi.ca
Paidiem.com
HeroHunt.ai
HireTechLadies.com
Sailes.ai
Foresight
Recital
Talin
Sync2Hire

5 stars on G2

Integrate with all the major hr & directory applications

Unified.to makes it possible to integrate once to a unified API to connect with all the applications your customers use, so you can train AI models, build advanced automation, and expand your market.

Start testing for free

Integrateonce,launchindays

With 370+ pre-built integrations and zero maintenance burden, Unified.to unlocks your team's integration potential, so you can unblock growth.