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Securely integrate with every email, calendar, and contacts provider using a single interface to streamline your users’ workflows. Build real-time, bi-directional communications in your app up to 40x faster, saving months of development time.
Sync, send, and receive messages to build contextual email, automated outreach, and other in-app experiences.
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Retrieve and manage calendars and events to build scheduling automation, calendar management, and other scheduling experiences.
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Sync and manage contact details to build contact management and other contact experiences.
Explore the Contacts APINylas APIs simplifies integration complexities, offering a unified API solution tailored for developers.
Leverage Nylas Docs, SDKs, CLI, and code samples to reduce time building and maintaining infrastructure.
Ship features faster with security, scalability, and performance with a 99.9% guaranteed uptime.
Instant email and event data as soon as your users connect, with no sync delays.
Receive real-time notifications to your application that will scale with you.
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const messages = await nylas.messages.list({
identifier,
queryParams: {
limit: 5,
}
})require 'nylas'
nylas = Nylas::Client.new(api_key: 'API_KEY')
query_params = { limit: 5 }
messages, _ = nylas.messages.list(identifier: '<GRANT_ID>', query_params: query_params)
messages.each {|message|
puts "[#{Time.at(message[:date]).strftime("%d/%m/%Y at %H:%M:%S")}] \
#{message[:subject]}"
} messages = nylas.messages.list(
grant_id,
query_params={
"limit": 5
}
)import com.nylas.NylasClient;
import com.nylas.models.*;
import java.text.SimpleDateFormat;
public class ReadInbox {
public static void main(String[] args) throws NylasSdkTimeoutError, NylasApiError {
NylasClient nylas = new NylasClient.Builder("<API_KEY>").build();
ListMessagesQueryParams queryParams = new
ListMessagesQueryParams.Builder().limit(5).build();
ListResponse<Message> message = nylas.messages().list("<GRANT_ID>", queryParams);
for(Message email : message.getData()) {
String date = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").
format(new java.util.Date((email.getDate() * 1000L)));
System.out.println("[" + date + "] | " + email.getSubject());
}
}
}
curl --request GET \
--url "https://api.us.nylas.com/v3/grants/GRANT_ID/messages?limit=5" \
--header 'Accept: application/json' \
--header 'Authorization: Bearer <API_KEY_OR_ACCESS_TOKEN>' \
--header 'Content-Type: application/json' Node.js
Ruby
Python
Java
Curl
const events = await nylas.events.list({
identifier: 1,
queryParams: {
calendarId: 2
}
})require 'nylas'
nylas = Nylas::Client.new(api_key: "<API_KEY>")
# Call a list of calendars
calendars, _request_ids = nylas.calendars.list(identifier: "<GRANT_ID>", query_params: {limit: 5})
calendars.each {|calendar|
puts calendar
} events = nylas.events.list(
grant_id,
query_params={
"calendar_id": 1
}
)import com.nylas.NylasClient;
import com.nylas.models.*;
import java.util.List;
public class read_calendars {
public static void main(String[] args) throws NylasSdkTimeoutError, NylasApiError {
NylasClient nylas = new NylasClient.Builder("<API_KEY>").build();
ListCalendersQueryParams listCalendersQueryParams = new
ListCalendersQueryParams.Builder().limit(5).build();
List<Calendar> calendars = nylas.calendars().list(dotenv.get("CALENDAR_ID"),
listCalendersQueryParams).getData();
for (Calendar calendar : calendars) {
System.out.println(calendar);
}
}
}curl --request GET \
--url https://api.us.nylas.com/v3/grants/<GRANT_ID>/events
--header 'Accept: application/json' \
--header 'Authorization: Bearer <API_KEY_OR_ACCESS_TOKEN>' \
--header 'Content-Type: application/json'Response
{
"request_id": "d0c951b9-61db-4daa-ab19-cd44afeeabac",
"data": [
{
"starred": false,
"unread": true,
"folders": [
"UNREAD",
"CATEGORY_PERSONAL",
"INBOX"
],
"grant_id": "1",
"date": 1706811644,
"attachments": [
{
"id": "1",
"grant_id": "1",
"filename": "invite.ics",
"size": 2504,
"content_type": "text/calendar; charset=\"UTF-8\"; method=REQUEST"
},
{
"id": "2",
"grant_id": "1",
"filename": "invite.ics",
"size": 2504,
"content_type": "application/ics; name=\"invite.ics\"",
"is_inline": false,
"content_disposition": "attachment; filename=\"invite.ics\""
}
],
"from": [
{
"name": "Nylas DevRel",
"email": "[email protected]"
}
],
"id": "1",
"object": "message",
"snippet": "Send Email with Nylas APIs",
"subject": "Learn how to Send Email with Nylas APIs",
"thread_id": "1",
"to": [
{
"name": "Nyla",
"email": "[email protected]"
}
],
"created_at": 1706811644,
"body": "Learn how to send emails using the Nylas APIs!"
}
],
"next_cursor": "123"
}{
"type": "event.created1",
"data": {
"object": {
"busy": true,
"calendar_id": "mock-name%40nylas.com",
"created_at": 1234567890,
"description": "mock description",
"hide_participants": false,
"ical_uid": "[email protected]",
"id": "mock-data-id",
"object": "event",
"owner": "Mock Owner ",
"organizer": {
"name": "mock organizer name",
"email": "[email protected]"
},
"participants": [
{
"email": "[email protected]",
"name": "mockParticipantsA",
"status": "yes"
},
{
"email": "[email protected]",
"name": "mockParticipantsB",
"status": "noreply"
}
],
"read_only": false,
"reminders": null,
"status": "confirmed",
"title": "mock_title",
"updated_at": 1234567890,
"when": {
"start_time": 1234567890,
"start_timezone": "America/Edmonton",
"end_time": 1234567890,
"end_timezone": "America/Edmonton",
"object": "timespan"
}
}
}
} Trusted by 250,000+ developers and growing.
“Adding bi-directional email sync provides our users with a way to increase their productivity within the Crunchbase platform [while encouraging upsells to a new pricing tier with premium features]”
Monika Abraham,
Product Ops Manager @ Crunchbase
Product used
Calendar API
pricing tier added to increase revenue
saved from Google security review
“One of the advantages of integrating with Nylas was how straightforward it was to sync contacts across multiple service providers and regardless of which version of Exchange our customers use.”
Stefan Roesch
Software Engineer @ Dialpad
Products used
Email API
Calendar API
Contact API
to launchable code with Nylas
months cut from development timelines
“We have millions of emails sent each week. Nylas frees us up to focus on delivering new features to our customers and working with our data science team on exciting new projects.”
Nora Ignatius
Product Manager @ Salesloft
Products used
Email API
Calendar API
full-time engineers retasked to other work
of maintenance team resources saved
“By partnering with Nylas we were able to solve technical obstacles that would’ve taken us a lot longer on our own and required a much larger investment of resources.”
John Whyte
Director of Product Management @ Ceridian
Products used
Calendar API
saved in development time and resources
all major calendar providers
Our enterprise-grade security is backed by compliance with industry-leading standards.
API transactions and 200TB of data processed daily.
historical uptime for Nylas services.
of dev resources to focus on core product functionality.
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