data part for integration uses illustration

image part for integration uses illustration

Integration in Four Steps

Step 1: Connect S3

Step 2: Connect Courier as a destination

You can connect to Courier by creating an API key and providing it to Census in an intuitive interface.

Step 3: Define the core data that matters for your business

Write a SQL Statement. Select the records you want to sync from S3. Census will match records based on the unique identifier you provide (like email or ID).

Step 4: Schedule your sync

Choose your sync frequency with options to transfer data continuously, on a schedule, or triggered via our API.

Step 1: Connect a single source of truth

Connect to your S3 data source using standard API or ODBC credentials.

Step 2: Connect Courier

You can use an OAuth log-in flow to connect Census to Courier directly via the Census Connections page.

Step 3: Define the core data that matters for your business

Write a SQL Statement. Select the records you want to sync from your S3 data source. Census will match records based on the unique identifier you provide (like email or ID).

Step 4: Schedule your sync

Choose your sync frequency with options to transfer data continuously, on a schedule, or triggered via our API.

Get a demo

Where can you sync your S3 data in Courier?

Profile with List

The Lists API lets you create Lists and subscribe one or more recipient profiles to them in the Courier database. You can send a message to all the recipients you subscribed to that list with a single Send API call.

API Docs Description

User Profile

A Courier User profile reflects the most recent information about a user.

API Docs Description

A single source of truth in all your tools

Census is the easiest way to share a consistent view of your data across your entire business. Define your models, metrics, and business logic in your data warehouse and sync them to all your operational tools.

Create trust in consistent metrics
Automate confidently with clean data
Simplify your data integration strategy
Improve data security and visibility

Trusted by companies you know

Read our customer stories

Advantages of Census

Build once. Reuse everywhere.

Once you define your models in dbt or in Census, you can sync them to all of the tools, so every team is using the same data to achieve their goals.

No more CSV files & Python scripts

Focus on building a data stack and improving data quality, not writing custom code to integrate with Sales & Marketing tools. Census takes care of getting the data into the hands of your business team. No Engineering favors required.

It just works. At scale.

Whether you sync 100 records or 100 million, we will keep your data in sync across your warehouse and your business tools. Census automatically navigates API failures and monitoring keeps you aware of worst case scenarios.

Syncing to Census from multiple sources, showing SQL language.

Data Activation Use Cases

Syncing from S3

Connecting to S3

Amazon Simple Storage Service (Amazon S3) is an object storage service designed for scalability, data availability, security, and performance. S3 can store any amount of and if it is stored in CSV, JSON, Parquet, ORC, TSV, and log files, Amazon Athena can be used to query it. Storing and querying data directly from S3 can be much less expensive than storing data and querying it out of a data warehouse.

Now you can use the data in S3 for more than just analytics and BI. With S3 reverse ETL you can operationalize your data across your entire customer data stack.

Learn how to use Census with 👉 our S3 Docs

Syncing to Courier

Courier provides pre-built developer infrastructure for product notifications that supports all channels and use cases in a single API.

Learn how to use Census with 👉 our Courier Docs

Census connects to S3 through your data source and syncs data to Courier. With 50+ integrations (and counting!) and transparent pricing, it’s never been easier to start operationalizing your data. This is what we like to call Reverse ETL.

Census connects to S3 and syncs data to Courier. With 50+ integrations (and counting!) and transparent pricing, it’s never been easier to start operationalizing your data. This is what we like to call Reverse ETL.

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S3 to Custom Destination

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S3 to Webhooks

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S3 to Google Analytics

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S3 to Microsoft Teams

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S3 to Salesforce Marketing Cloud

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S3 to Shopify Custom Apps

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S3 to LinkedIn Ads

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S3 to Google Search Ads 360

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S3 to TikTok Ads

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S3 to Appcues

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S3 to Facebook Offline Conversion

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S3 to Stripe

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S3 to ChartMogul

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S3 to Mailchimp

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S3 to Google Offline Conversion

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S3 to Oracle Fusion Cloud

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S3 to Sailthru

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S3 to Freshdesk

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S3 to Userpilot

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S3 to Campaign Monitor

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S3 to GCS (Google Cloud Storage)

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S3 to User Interviews

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S3 to Chargify

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S3 to The Trade Desk

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S3 to Ortto

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S3 to Microsoft (Bing) Ads

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S3 to Google Datastore

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S3 to Microsoft Ads Offline Conversions

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Databricks to Courier

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Redshift to Courier

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dbt to Courier

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Postgres to Courier

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Elasticsearch to Courier

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Microsoft SQL Server (MSSQL) to Courier

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MySQL to Courier

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Rockset to Courier

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Google Sheets to Courier

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Amazon Athena to Courier

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S3 to Courier

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Panoply to Courier

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Tableau to Courier

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Heroku Postgres to Courier

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Azure Synapse to Courier

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Microsoft Power BI to Courier

Census is the Data Activation platform of choice for companies who value scalability, observability, and performance.

#5 in the Top 50 Best Software Products of 2023The Leader in Reverse ETL on G2, 4 quarters in a row 🏆

Here's what reviewers on G2 have to say

"A fantastic tool that is only getting better."

Matthew C

Analytics Engineer

“Like that infomercial rotisserie — you just set it and forget it”

Matt N

Head of Growth

“Census just works”

Eric B

Director of Project Management

“An indispensable tool for BizOps and Go-to-market teams”

Michael T

Business Operations

"A fantastic tool that is only getting better."

Matthew C

Analytics Engineer

“Like that infomercial rotisserie — you just set it and forget it”

Matt N

Head of Growth

“Census just works”

Eric B

Director of Project Management

“An indispensable tool for BizOps and Go-to-market teams”

Michael T

Business Operations

I used to develop reverse ETL systems with Python and Airflow for destinations like Eloqua, Mixpanel, Braze, Intercom, and Salesforce. Every destination requires different data types, formats, rate limits, and API requests. Census saves me from maintaining my custom code, so I can spend more time to optimize the system itself.

Frances Fang

Sr Data Engineer

Census takes what the analytics team does out of static dashboards and into tools that the rest of the company uses, allowing us to actually deliver on the promise of being “data driven”.

Matt Nicosia

Director of Growth

“My favorite tool in our martech stack!!”

Allison K

Growth Marketing Manager

We make it easy to switch to Census.

Our Customer Success team will partner with you every step of the way to make sure you and your team are set up for long term success.

Start for free Get a demo

Sync S3 to Courier

Sync S3 data to Courier

Sync S3 to Courier

Integration in Four Steps

Step 1: Connect S3

Step 2: Connect Courier as a destination

Step 3: Define the core data that matters for your business

Step 4: Schedule your sync

Step 1: Connect a single source of truth

Step 2: Connect Courier

Step 3: Define the core data that matters for your business

Step 4: Schedule your sync

Profile with List

User Profile

A single source of truth in all your tools

Trusted by companies you know

Advantages of Census

Build once. Reuse everywhere.

No more CSV files & Python scripts

It just works. At scale.

Data Activation Use Cases

Syncing from S3

Connecting to S3

Syncing to Courier

Census is the Data Activation platform of choice for companies who value scalability, observability, and performance.

From your data warehouse to your favorite apps. Without code or engineers.