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CrelateAPIintegration&MCPserver

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

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Add Crelate and 52 other pre-built ATS integrations

Real-time data to fuel countless ATS use cases

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

ats

Source Candidates

Enable users to source candidates and send updates back to their ATS.

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ats

Assess Candidates

Trigger assessments and send updates back to your users' ATS.

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ats

Promote Jobs

Enable users to post to multiple job boards and send updates to their ATS.

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Unified MCP

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HRIS Employee

ATS Activity

ATS Applicationstatus

ATS Application

ATS Job

ATS Candidate

ATS Company

ATS Document

Passthrough

HRIS Employee

ATS Activity

ATS Applicationstatus

ATS Application

ATS Job

ATS Candidate

ATS Company

ATS Document

Passthrough

Your customer's data

on Crelate

Unified API data-models and methods

HRIS Employee

list get

ATS Activity

list get create update remove

ATS Applicationstatus

list

ATS Application

get create update remove list

ATS Job

list get create update remove

ATS Candidate

create update list get remove

ATS Company

list get

ATS Document

create list get update remove

Passthrough

get post put patch delete

199 Unified MCP tools

create an activity16 parameters

list all activities5 parameters

retrieve an activity2 parameters

update an activity17 parameters

remove an activity2 parameters

create a candidate21 parameters

list all candidates5 parameters

retrieve a candidate2 parameters

update a candidate22 parameters

remove a candidate2 parameters

create a job22 parameters

list all jobs6 parameters

retrieve a job2 parameters

update a job23 parameters

remove a job2 parameters

create a document9 parameters

list all documents5 parameters

retrieve a document2 parameters

update a document10 parameters

remove a document2 parameters

list all applicationstatuses 1 parameter

create an application13 parameters

list all applications6 parameters

retrieve an application2 parameters

update an application14 parameters

remove an application2 parameters

list all companies4 parameters

retrieve a company2 parameters

list all employees5 parameters

retrieve an employee2 parameters

retrieve activities13 parameters

create an activity

retrieve an activity3 parameters

update an activity2 parameters

delete an activity2 parameters

retrieve count of activities

retrieve activities metadata

retrieve activity types8 parameters

retrieve an activity type3 parameters

retrieve activity types metadata

retrieve email activities16 parameters

create an email activity

retrieve an email activity3 parameters

retrieve note activities14 parameters

create a note activity

retrieve a note activity3 parameters

update a note activity2 parameters

delete a note activity2 parameters

retrieve task activities15 parameters

create a task activity

retrieve a task activity3 parameters

update a task activity2 parameters

delete a task activity2 parameters

retrieve backups8 parameters

create a backup

retrieve backup zip file contents3 parameters

retrieve a backup3 parameters

retrieve backups metadata

retrieve most recent backup

retrieve current organization

retrieve users8 parameters

retrieve a user3 parameters

retrieve count of users

retrieve users metadata

retrieve current user

retrieve companies17 parameters

create a company

retrieve a company3 parameters

update a company2 parameters

delete a company2 parameters

create companies in bulk

update companies in bulk

delete companies in bulk

update company record status2 parameters

update company record status in bulk

retrieve count of companies

retrieve companies metadata

retrieve companies by list6 parameters

retrieve company sources5 parameters

retrieve a company source3 parameters

retrieve contacts15 parameters

create a contact

retrieve a contact3 parameters

update a contact2 parameters

delete a contact2 parameters

create contacts in bulk

update contacts in bulk

delete contacts in bulk

update contact record status2 parameters

update contact record status in bulk

retrieve count of contacts

retrieve contacts metadata

retrieve contacts by list6 parameters

retrieve countries6 parameters

retrieve a country3 parameters

retrieve custom picklist items9 parameters

retrieve custom picklist sets8 parameters

retrieve a custom picklist set3 parameters

retrieve job titles8 parameters

retrieve a job title3 parameters

retrieve job types8 parameters

retrieve jobs20 parameters

create a job

retrieve a job3 parameters

update a job2 parameters

delete a job2 parameters

add contact to a job4 parameters

add contacts to a job3 parameters

update contact status on a job4 parameters

remove contact from a job4 parameters

retrieve candidate stage change history10 parameters

update a job posting2 parameters

disable a job posting2 parameters

create jobs in bulk

update jobs in bulk

delete jobs in bulk

retrieve count of jobs

retrieve job stage change history8 parameters

retrieve jobs metadata

retrieve jobs by list6 parameters

search job postings 1 parameter

retrieve opportunity types8 parameters

retrieve an opportunity type3 parameters

retrieve opportunity types metadata

retrieve placements14 parameters

retrieve a placement3 parameters

update placement record status2 parameters

update placement record status in bulk

retrieve placements metadata

retrieve artifact types9 parameters

retrieve an artifact type3 parameters

retrieve count of artifact types

retrieve artifact types metadata

create an artifact2 parameters

retrieve artifacts16 parameters

retrieve an artifact3 parameters

delete an artifact2 parameters

retrieve file contents4 parameters

create a primary image artifact2 parameters

create a primary artifact2 parameters

retrieve billable items17 parameters

retrieve expense types8 parameters

retrieve an expense type3 parameters

retrieve available expense types for an assignment3 parameters

retrieve count of expense types

retrieve available expense types for an employee3 parameters

retrieve expense types metadata

retrieve expense type meanings

retrieve invoices19 parameters

retrieve an invoice3 parameters

retrieve count of invoices

retrieve invoices metadata

retrieve ledger accounts12 parameters

retrieve ledger items16 parameters

retrieve payments12 parameters

recognize a payment

recognize a zero-amount payment

retrieve time types8 parameters

retrieve a time type3 parameters

retrieve available time types for an assignment3 parameters

retrieve count of time types

retrieve available time types for an employee3 parameters

retrieve time types metadata

retrieve time type meanings

retrieve form request info3 parameters

resend a form request 1 parameter

revoke a form request 1 parameter

send a form request

retrieve form templates metadata

retrieve forms13 parameters

retrieve forms metadata

retrieve form responses4 parameters

retrieve form request templates

retrieve static lists9 parameters

Invoicing Invoice Updated Webhook Xero

Sample Get Crelate Response

retrieve applications13 parameters

approve an application2 parameters

block an application2 parameters

reject an application2 parameters

retrieve an application3 parameters

retrieve count of applications

retrieve applications metadata

apply to a job2 parameters

retrieve losses13 parameters

retrieve a loss3 parameters

retrieve tag categories9 parameters

create a tag category

retrieve a tag category3 parameters

retrieve count of tag categories

retrieve tag categories metadata

retrieve tags9 parameters

create a tag

retrieve a tag3 parameters

update a tag2 parameters

retrieve count of tags

retrieve tags metadata

retrieve workflow statuses9 parameters

retrieve a workflow status3 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, 24 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 Crelate integration to your application in hours

1Test drive integrations

Effortlessly test API calls, explore endpoints, and try out the Crelate 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 Crelate data.

3Start making API calls

Use the Connection ID to interact with Crelate 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

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React component React component source code

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

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Integrate with all the major ats 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