API ATLAS

Communication: 132 free APIs

Email, SMS, voice, telephony and team messaging. Every record below links to its own documentation page.

Listed
132
No auth needed
14
Full profiles
24

APIs in this category

132 of 132
Email Activity (beta) The Beta endpoints for the new Email Activity APIs - functionality is subject to change without notice. You may not have access to this Beta endpoint. Email Activity offers filtering and search by event type for two days worth of data. There is an optional add-on to store 60 days worth of data. This add-on also gives you access to the ability to download a CSV of the 60 days worth of email event data. The Beta endpoints for the new Email Activity APIs - functionality is subject to change without notice. You may not have access to this Beta endpoint. Email Activity offers filtering and search by event type for two days worth of data. There is an optional add-on to store 60 days worth of data. This add-on also gives you access to the ability to download a CSV of the 60 days worth of email e…
API iSendPro [1] Liste des fonctionnalités : - envoi de SMS à un ou plusieurs destinataires, - lookup HLR, - récupération des récapitulatifs de campagne, - gestion des répertoires, - ajout en liste noire. - comptage du nombre de caractères des SMS [2] Pour utiliser cette API vous devez: - Créer un compte iSendPro sur https://isendpro.com/ - Créditer votre compte - Remarque: obtention d'un crédit de test possible sous conditions - Noter votre clé de compte (keyid) - Elle vous sera indispensable à l'utilisation de l'API - Vous pouvez la trouver dans le rubrique mon "compte", sous-rubrique "mon API" - Configurer le contrôle IP - Le contrôle IP est configurable dans le rubrique mon "compte", sous-rubrique "mon API" - Il s'agit d'un système de liste blanche, vous devez entrer les IP utilisées pour appeler…
ClickSend REST API v3 This is the official API documentation for ClickSend.com Below you will find a current list of the available methods for clicksend. NOTE: You will need to create a free account to use the API. You can Register Here. # API URL The API should always be accessed over SSL. Base URL: https://rest.clicksend.com/v3/ # Authentication Basic HTTP authentication should be used in the header. Either: username: Your API username password: Your API key You can get your API credentials by clicking 'API Credentials' on the top right of the dashboard. OR username: Your account username password: Your account password These are the same credentials that you use to login to the dashboard. ### Authorization Header The Authorization header is constructed as follows: 1. Username and password are combined into…
Airflow API (Stable) Overview To facilitate management, Apache Airflow supports a range of REST API endpoints across its objects. This section provides an overview of the API design, methods, and supported use cases. Most of the endpoints accept JSON as input and return JSON responses. This means that you must usually add the following headers to your request: Content-type: application/json Accept: application/json ## Resources The term resource refers to a single type of object in the Airflow metadata. An API is broken up by its endpoint's corresponding resource. The name of a resource is typically plural and expressed in camelCase. Example: dagRuns. Resource names are used as part of endpoint URLs, as well as in API parameters and responses. ## CRUD Operations The platform supports Create, Read, Update, a…
Sakari Introduction Welcome to the documentation for the Sakari Messaging REST API. Sakari provides an advanced platform to drive large scale customized SMS communication REST is a web-service protocol that lends itself to rapid development by using everyday HTTP and JSON technology. To find out more about our product offering, please visit https://sakari.io. # Quickstart For your convenience we have created a quickstart guide to get you up and running in 5 minutes. https://sakari.io/blog/sakari-api-quickstart # PostMan Collection We've created a simple set of examples using PostMan Simply click below to import these. You will need to setup three environment variables in PostMan - AccountId, ClientId and ClientSecret. Check out our PostMan blog post for more information ![Run in Postman](https…
BulkSMS JSON REST API Overview The JSON REST API allows you to submit and receive BulkSMS messages. You can also get access to past messages and see your account profile. The base URL to use for this service is https://api.bulksms.com/v1. The base URL cannot be used on its own; you must append a path that identifies an operation and you may have to specify some path parameters as well. Click here to go to the main BulkSMS developer site. In order to give you an idea on how the API can be used, some JSON snippets are provided below. Have a look at the messages section for more information. Probably the most simple example { "to": "+27001234567", "body": "Hello World!" } You can send unicode automatically using the auto-unicode query parameter. Alternatively, you can specify UNICODE for the encoding property…
SIGNL4 API Use our API for systems integration or to build your own use cases. Sample scenarios include but are not limited to: 2-way integration: Triggering of Signls and updates in the third party systems when alert state changes occur Retrieving alarms for logging purposes Calendar integrations: Creation and management of on-call duties Punch users in and out based on external calendars etc. AUTHENTICATION Using the API requires an API key, which you can generate in the SIGNL4 portal under 'Developers'. This key must then be specified in a special header in every HTTP request. This header is called X-S4-Api-Key . The base URL of the API is <a rel='noopener noreferrer' target='blank' href='https:/…
The SureVoIP RESTful API Introduction Welcome to the SureVoIP RESTful hypermedia API (sometimes known as a VoIP REST API, Telecom REST API, SIP API, Hypermedia API or just VoIP API.) The SureVoIP API is a way for you to automate your interaction with the SureVoIP platforms. With the API, you can create your own scripts, applications or mashups which can: List calls create customers search numbers provision numbers send SMS texts create outbound calls schedule announcements schedule call hangups with an announcement subscribe to events/alerts track calls retrieve invoices grab your SIP details check your IP address be 100% self-sufficient and much more!
EmailVerify OTP email verification API by PayPI. EmailVerify provides a simple way to verify email addresses. We send emails ourselves taking the burden of setting up email systems and tracking codes. To learn more about this API, check out EmailVerify documentation ## Authentication All requests to the EmailVerify API must be authenticated with an API Key. To get an API key, subscribe to the EmailVerify here. \ Set your Authorization header to Bearer YOUR-API-KEY. curl -H "Content-Type: application/json" \ -H "Authorization: Bearer YOUR-API-KEY" \ ...
Zoom API The Zoom API allows developers to access information from Zoom. You can use this API to build private services or public applications on the Zoom App Marketplace. To learn how to get your credentials and create private/public applications, read our Authorization Guide. All endpoints are available via https and are located at api.zoom.us/v2/. For instance you can list all users on an account via https://api.zoom.us/v2/users/.
Mobility API Transit API can be used to obtain time-aggregated data representing moving the people between various spatial points within the Czech Republic. Having A - 'from' and B - 'to' points, the API can return count of people traveling from A to B or people that are from A and traveling to B, etc. The mobility data is based on moving mobile stations in O2 mobile network.
Socio-demo API Socio-demo API can be used to obtain time-aggregated data representing groups of people on the given location in the Czech Republic. Having a location, the API can return count of people belonging to age group or gender aggregated by hours. The socio-demo data is based on presence of mobile stations in O2 mobile network.
Active Documentation for /v1 Our active docs provide the ability to test out your account and to see the responses to your queries. The services are RESTful, and are accessed using standard HTTP methods over a secure HTTPS channel. Requests and responses are currently sent in JSON format, and have a base URL of /v1.
Call Control API API for blocking phone calls with Call Control. Data is from crowdsourced community blacklist from 12+ million users and government agencies (FTC, FCC, IRS) Try with apikey 'demo', hit explore above, and then try phone numbers 18008472911,13157244022,17275567300,18008276655,12061231234.
FraudLabs Pro SMS Verification Send an SMS with verification code and a custom message for authentication purpose. It helps merchants to minimize chargebacks and fraud for various kinds of payment method, such as credit card, paypal, cod and so on. Please visit https://www.fraudlabspro.com to learn more.
D7SMS D7 SMS allows you to reach your customers via SMS over D7's own connectivity to global mobile networks. D7 provides reliable and cost-effective SMS services to businesses across all industries and aims to connect all countries and territories via direct connections.
MailboxValidator Disposable Email Checker The MailboxValidator Disposable Email Checker API checks if a single email address is from a disposable email provider and returns the results in either JSON or XML format. Refer to https://www.mailboxvalidator.com/api-email-disposable for further information.
MailboxValidator Free Email Checker The MailboxValidator Free Email Checker checks if a single email address is from a free email provider and returns the results in either JSON or XML format. Refer to https://www.mailboxvalidator.com/api-email-freem for further information.
Mandrill Mandrill is a reliable, scalable, and secure delivery API for transactional emails from websites and applications. It's ideal for sending data-driven transactional emails, including targeted e-commerce and personalized one-to-one messages.
MailboxValidator Email Validation The Single Validation API does validation on a single email address and returns all the validation results in either JSON or XML format. Refer to https://www.mailboxvalidator.com for further information.
Postmark Account-level API Postmark makes sending and receiving email incredibly easy. The Account-level API allows users to configure all Servers, Domains, and Sender Signatures associated with an Account.
The Mercure protocol Mercure is a protocol allowing to push data updates to web browsers and other HTTP clients in a convenient, fast, reliable and battery-efficient way.
Cloud-RF API Use this JSON API to build and test radio links for any radio, anywhere. Authenticate with your API2.0 key in the request header as key
The SMS Works API The SMS Works provides a low-cost, reliable SMS API for developers. Pay only for delivered texts, all failed messages are refunded.
Airflow API (Stable) Overview To facilitate management, Apache Airflow supports a range of REST API endpoints across its objects. This section provides an overview of the API design, methods, and supported use cases. Most of the endpoints accept JSON as input and return JSON responses. This means that you must usually add the following headers to your request: Content-type: application/json Accept: application/json ## Resources The term resource refers to a single type of object in the Airflow metadata. An API is broken up by its endpoint's corresponding resource. The name of a resource is typically plural and expressed in camelCase. Example: dagRuns. Resource names are used as part of endpoint URLs, as well as in API parameters and responses. ## CRUD Operations The platform supports Create, Read, Update, a…
Mailtrap Email API and SMTP for sending transactional and bulk emails, with email testing sandbox for safe development
REST API Version 2 Circuit REST API to interact with the Circuit system. Learn more about the Circuit Development Community
PostStack EU-hosted email API for transactional and marketing email, with contacts, broadcasts, and analytics
Sendgrid A cloud-based SMTP provider that allows you to send emails without having to maintain email servers
SendRaven Email for AI agents: send email, receive replies as threads, with per-key send limits and approvals
MailSenpai DNS Check Check a domain's SPF, DKIM, DMARC and MX records and get what to fix, with the values to publish
Mailsquad MailSquad offers an affordable and super easy way to create, send and track delightful emails.
PlaceCall AI agent places phone calls to US businesses and returns the outcome, transcript and recording
Sendinblue A service that provides solutions relating to marketing and/or transactional email and/or SMS
Disban Classify email domains as disposable, free, alias, testing or parked to block fake signups
Mailfornet Disposable inboxes for end-to-end signup tests, with long-polling and HMAC-signed webhooks
Email Spam Tester Send a test message and get a spam score, 41 checks with RFC citations and a fix plan
inboxsink Disposable inboxes for end-to-end tests that wait for the email and extract OTP codes
MailRambo Verify email deliverability with a strict yes/no, disposable and catch-all detection
VeriRoute Intel CNAM caller ID, carrier/LRN lookup and spam scoring for North American phone numbers
SMTPfast Send transactional email, manage contacts and broadcasts, free 3,000 emails/month
Atomic Mail Email for AI agents: programmatic inbox creation and send/receive over JMAP
EmailJS Send emails directly from client-side JavaScript without a backend server
topupsapi Polls is a simple API allowing consumers to view polls and vote in them.
AGPC Domain Check Check a domain's SPF, DKIM, DMARC and MX with a graded shareable report
TempMailGrab Disposable inboxes for email testing with OTP extraction and webhooks
Best Temp Mail Disposable inboxes for automated email testing, with OTP extraction
Numlookup Phone number validation and carrier lookup API with global coverage
Telnyx API SIP trunking, SMS, MMS, Call Control and Telephony Data Services.
DropMail GraphQL API for creating and managing ephemeral e-mail inboxes
Disify Validate and detect disposable and temporary email addresses
Postmark API Postmark makes sending and receiving email incredibly easy.
MailCheck.ai Prevent users to sign up with temporary email addresses
uchecker Bulk email verification with full SMTP server responses
EVA Validate email addresses
mailboxlayer Email address validation

Rows marked ↗ have no reference page of their own — the source registry did not provide enough to write one — so they link straight to the provider's documentation.

Authentication

How the 132 records in this category authenticate callers. Values come straight from the source registries; records the sources do not describe are counted as unknown rather than guessed.

  • Unknown 84
  • API key 34
  • No authentication 14

Also in Communication: 307 MCP servers

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