Unified.to

Readandwriteleaddatainreal-time

Launch 170+ pre-built Marketing integrations today and access normalized lead data with zero maintenance — all through a unified API.

Marketing

One request. Every marketing platform.

Swap the connection_id and the same code reads mailing lists from Mailchimp, HubSpot, Klaviyo or any of 170 marketing integrations, in one normalized shape. Every call is live against the source API.

curl --get \
  'https://api.unified.to/martech/{connection_id}/list' \
  --data 'limit=1' \
  --header "authorization: bearer $UNIFIED_API_KEY"
Response — same fields for every marketing platform
[
  {
    "id": "a1b2c3d4e5",
    "created_at": "2026-04-02T09:00:00.000Z",
    "updated_at": "2026-10-20T11:24:37.000Z",
    "name": "Product updates",
    "description": "Monthly product newsletter subscribers",
    "is_active": true,
    "sender_name": "Foobar Team",
    "sender_email": "news@foobar.com",
    "language": "en"
  }
]

Start free 30-day trial

No credit card required. Get your API key, connect real accounts, and make live calls like this one in minutes.

The modern Unified API+MCP platform, built differently

Real-time, pass-through

Every request hits the source API live. No caching or sync jobs: reads and writes go to the source API, and native and virtual webhooks report changes on supported integrations.

No customer records at rest

No customer records at rest; connection credentials and operational metadata are encrypted at rest. Each workspace runs in one region: US on every plan, EU or AU on Pro and Scale.

Common objects across every category

Unified objects, endpoints, scopes and errors across every category, plus raw payloads when you need vendor-specific fields.

Custom fields & objects

Read and write custom fields through the Metadata API; reach custom objects through raw fields and the Passthrough API.

AI-ready integrations

Built for AI products: Unified MCP gives LLMs scoped access to integration tools, with options to limit permissions and hide sensitive fields.

Predictable pricing, no lock-in

Usage-based pricing that scales with API volume, not with the number of customers you connect. Own your credentials and export them anytime; tokens issued to your own OAuth app keep refreshing after you leave.

Get integrations from backlog to production in days

1. Activate integrations

Enable integrations across 38 API categories, from CRM to Marketing and Ticketing

1. Activate integrations

2. Launch integrations

Build, test, and launch multiple integrations simultaneously with only a few lines of code.

2. Launch integrations

3. Authorize integrations

Embed our authorization component to let customers easily link their accounts.

3. Authorize integrations

Authorization handled for you

A pre-built authorization component and API handle each vendor's sign-in, so your code works with a connection ID.

See documentation

Business Login

Sign users in with the software their company already runs on. Redirect them to one Unified URL and get back their verified email and name. No OAuth flows to build, no tokens to store.

Built on OpenID Connect (OIDC), OAuth2, and SAML specifications.

Unified supports 319+ sign-in integrations.

Trusted by developers and product teams worldwide

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

Fresh data to fuel countless use cases

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

Marketing

Track Campaign Data

Pull campaign performance and engagement data from marketing platforms.

Marketing

Sync Leads

Sync leads and contacts between marketing platforms and connected systems.

Marketing

Manage Marketing Lists

Sync subscriber lists, manage subscriptions, and handle unsubscribes across platforms.

Marketing

Segment Audiences

Create and update audience segments using marketing platform data.

Build with a unified Marketing API

Read and write data from multiple Marketing integrations

Unified List
Fields:
id created_at updated_at name description start_at end_at user_id is_active address subject sender_name sender_email language sender_company sender_phone metadata raw
Methods:
Create a list List all lists Retrieve a list Update a list Remove a list
Unified Member
Fields:
id created_at updated_at name first_name last_name company emails list_ids tags status metadata raw
Methods:
Create a member List all members Retrieve a member Update a member Remove a member
Unified Campaign
Fields:
id created_at updated_at name type status list_ids subject_line preview_text from_name from_email reply_to_email send_at metadata raw
Methods:
Create a campaign List all campaigns Retrieve a campaign Update a campaign Remove a campaign
Unified Report
Fields:
id start_at end_at campaign_id list_id emails_sent abuse_reports unsubscribed sent_at hard_bounces soft_bounces syntax_errors forwards_count forwards_opens opens_total unique_opens open_rate last_open_at clicks_total unique_clicks unique_subscriber_clicks click_rate last_click_at links human_opens_total human_unique_opens human_open_rate metadata raw
Methods:
List all reports

Why our customers choose us

4.9 out of 5 on G2 (28 reviews, as of 21 October 2026)