{"id":20931,"date":"2025-07-11T09:30:15","date_gmt":"2025-07-11T09:30:15","guid":{"rendered":"https:\/\/www.mailgun.com\/blog\/guia-puntos-conexion-api\/"},"modified":"2026-09-16T21:30:50","modified_gmt":"2026-09-16T21:30:50","slug":"guia-puntos-conexion-api","status":"publish","type":"blog","link":"https:\/\/www.mailgun.com\/es\/blog\/email\/guia-puntos-conexion-api\/","title":{"rendered":"Tu gu\u00eda de puntos de conexi\u00f3n de API"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">APIs can be difficult to understand, especially if you\u2019re not familiar with building programmatic processes. Can we let you in on a little secret? APIs are just ways for applications to communicate with one another, and if you know how to use them they can simplify your life.<\/p>\n\r\n    <nav data-content-type=\"longform\" class=\"toc-block longform-spacings px-5 py-6 px-md-6 px-lg-7 py-md-7 bg-light fs-sm rounded-lg\" aria-labelledby=\"toc-title-4987\"><p class=\"h5 m-0\" id=\"toc-title-4987\">\u00cdndice<\/p><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">01<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#what-is-an-api-endpoint\">What is an API endpoint?<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">02<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#how-apis-work\">How APIs work<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">03<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#how-do-endpoints-work-with-api\">How do endpoints work with API?<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">04<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#what-are-some-api-endpoint-best-practices\">What are some API endpoint best practices?<\/a><a class=\"scrollme link-body-color\" href=\"#securing-your-api-endpoints\">Securing your API endpoints<\/a><a class=\"scrollme link-body-color\" href=\"#monitoring-your-api-endpoints\">Monitoring your API endpoints<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">05<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#how-you-can-use-api-endpoints-with-mailgun-to-improve-your-email-program\">How you can use API endpoints with Mailgun to improve your email program<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">06<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#wrapping-up\">Wrapping up<\/a><\/div><\/div><\/nav>\n<h2 class=\"wp-block-heading\">What is an API endpoint?<\/h2>\n\n<p class=\"wp-block-paragraph\">If you\u2019re new to the world of email APIs, or APIs in general, API endpoints can be confusing to wrap your mind around. <b>All an API endpoint is, is a unique URL that contains the name of a server or service.<\/b> It identifies a specific location with an application programming interface (API).<\/p>\n\n<p class=\"wp-block-paragraph\">To use an API endpoint, you have to make an API call or request but there\u2019s a quick analogy we can cook up to show you how these endpoints work, and how beneficial they can be but fair warning, it might make you hungry.<\/p>\n\n<h2 class=\"wp-block-heading\">How APIs work<\/h2>\n\n<p class=\"wp-block-paragraph\">When describing APIs, it\u2019s fun to imagine a waiter in a restaurant. You communicate your order to the waiter (we\u2019re thinking about a tasty burrito), who delivers your order to the kitchen, and then brings you your food. In this analogy, the menu is the API documentation that describes the food and drinks the restaurant offers \u2013 and these menu options are our API endpoints.<\/p>\n\n<p class=\"wp-block-paragraph\">The physical restaurant you walk into is like the REST API. A REST API (or RESTful API) is just an API that has to conform to the specific architecture of a web application or service so that you can interact with that application successfully. In other words, you can order delicious burritos at this restaurant, but you can\u2019t order Chinese food because the kitchen isn\u2019t provisioned for Kung Pao Chicken.<\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"wp-image-11934\" width=\"2100\" height=\"1500\" src=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/10\/api_endpoints_image.png\" alt=\"API endpoints\" srcset=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/10\/api_endpoints_image.png 2100w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/10\/api_endpoints_image-300x214.png 300w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/10\/api_endpoints_image-768x549.png 768w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/10\/api_endpoints_image-1024x731.png 1024w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/10\/api_endpoints_image-1536x1097.png 1536w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/10\/api_endpoints_image-2048x1463.png 2048w\" sizes=\"(max-width: 2100px) 100vw, 2100px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">To \u201cplace an order\u201d, a developer makes an API call (or API request) that tells an application to do something, in turn, the application uses an API to ask a web server to do something. There are different types of API methods that you can send with your request that determine the type of data you are manipulating:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><b>GET:<\/b> Retrieves a resource <\/li>\n\n\n\n<li><b>PATCH:<\/b> Updates a resource <\/li>\n\n\n\n<li><b>PUT:<\/b> Replaces a resource <\/li>\n\n\n\n<li><b>POST:<\/b> Creates a resource <\/li>\n\n\n\n<li><b>DELETE:<\/b> Removes a resource<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">How do endpoints work with API?<\/h2>\n\n<p class=\"wp-block-paragraph\">Now we\u2019re hungry, but we also have a basic idea of what APIs are and how they work. So, let\u2019s talk about the role endpoints play.<\/p>\n\n<p class=\"wp-block-paragraph\">Endpoints look just like any URL with a word or identifier added at the end, <b>\/endpoint<\/b>.<\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/10\/Email-ValidationVerification-endpoint-scaled.png\" alt=\"Verification API endpoint code\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">The endpoint is what we want to eat. Our order may be carried back by the waiter, and prepared by the cooks, but we decide the information that is sent. Since they\u2019ve been in the news lately, we\u2019ll borrow <a href=\"https:\/\/developer.twitter.com\/en\/docs\/twitter-api\" target=\"_tabs\" rel=\"noopener noreferrer\">Twitter\u2019s API<\/a> as an example.<\/p>\n\n<p class=\"wp-block-paragraph\">We want to order a new tweet from the twitter API and can do this using their <b>\/statuses\/update endpoint<\/b>.<\/p>\n\n<p class=\"wp-block-paragraph\">The endpoint is where the API connects with Twitter\u2019s backend system. When we make a request to the <b>\/statuses\/update endpoint<\/b>, the endpoint does the work of processing the request (letting the kitchen know what we want and how to prepare it \u2013 in this case with custom text) and sending back a response. APIs let you interact with sites and Services programmatically.<\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"wp-image-11942\" width=\"1973\" height=\"1084\" src=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/10\/twitterimg.png\" alt=\"Twitter&apos;s API\" srcset=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/10\/twitterimg.png 1973w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/10\/twitterimg-1024x563.png 1024w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/10\/twitterimg-768x422.png 768w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/10\/twitterimg-1536x844.png 1536w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/10\/twitterimg-300x165.png 300w\" sizes=\"(max-width: 1973px) 100vw, 1973px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">It may be hard to see the benefit of API endpoints when you\u2019re only creating a single tweet but consider a scenario where you have a client that you write tweets for, and they need to go out at scheduled intervals. Using Twitter\u2019s API would let you set this up and market for your client efficiently.<\/p>\n\n<h2 class=\"wp-block-heading\">What are some API endpoint best practices?<\/h2>\n\n<p class=\"wp-block-paragraph\">Pretty much all SaaS and CPaaS solutions offer a REST API to their clients so that developers can integrate the product with their own software applications. To access these APIs, you need to be a customer of that company and companies will often use rate limiting to keep their API use fair. OpenAPIs also exist, which are public APIs that any developer can access.<\/p>\n\n<p class=\"wp-block-paragraph\">Anytime you exchange or request data over the internet you need to be concerned about monitoring and security. The first layer of API security is an API key. <b>API keys are generated by the application or project making the call<\/b>, and they can restrict use to a specific environment or IP address region.<\/p>\n\n<h3 class=\"wp-block-heading\">Securing your API endpoints<\/h3>\n\n<p class=\"wp-block-paragraph\">Since endpoints are doing all the heavy lifting it\u2019s important that they stay secure, or else anyone could programmatically access and alter your data. The good news is that you secure endpoints with the same familiar methods you likely already use to secure your other online systems.<\/p>\n\n<p class=\"wp-block-paragraph\">These methods include:<\/p>\n\n<ol class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.mailgun.com\/es\/blog\/product\/protege-tu-cuenta-autenticacion-dos-fases-seguridad\/\" target=\"_tabs\" rel=\"noopener noreferrer\">Basic authentication\/2FA<\/a><\/li>\n\n\n\n<li>Encryption<\/li>\n\n\n\n<li><a href=\"https:\/\/auth0.com\/docs\/authenticate\/protocols\/oauth\" target=\"_tabs\" rel=\"noopener noreferrer\">OAuth 2.0<\/a><\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">Basic security best practices apply to protecting your APIs and developer environments. If you\u2019re looking for your Mailgun keys and credentials, you can find them <a href=\"https:\/\/help.mailgun.com\/hc\/en-us\/articles\/203380100-Where-Can-I-Find-My-API-Key-and-SMTP-Credentials-\" target=\"_tabs\" rel=\"noopener noreferrer\">here<\/a>.<\/p>\n\n<h3 class=\"wp-block-heading\">Monitoring your API endpoints<\/h3>\n\n<p class=\"wp-block-paragraph\">Because endpoints are URLs, you can \u2013 and should \u2013 monitor them to ensure they stay online. When talking about online services and websites, you\u2019ll often hear the word \u201cuptime\u201d. This is the percentage of time your application stays up \u2013 in other words, the percentage of time your app is accessible and functioning. Outages and performance errors will lower your overall percentage.<\/p>\n\n<p class=\"wp-block-paragraph\">Monitoring your endpoints also gives you metrics on which endpoints are being accessed and what types of API calls developers are making. This can help you track user behavior, and gain insight into which endpoints are highly trafficked so you can maintain your performance.<\/p>\n\n<h2 class=\"wp-block-heading\">How you can use API endpoints with Mailgun to improve your email program<\/h2>\n\n<p class=\"wp-block-paragraph\">As an email service provider (ESP), Mailgun\u2019s API support is all about programmatic solutions to make your email program more efficient and successful at scale. Our <a href=\"https:\/\/www.mailgun.com\/es\/blog\/email\/cuando-usar-api-de-email\/\" target=\"_tabs\" rel=\"noopener noreferrer\"><b>email API<\/b><\/a><b> is a specific type of API that you can use to connect your web app or platform to an ESP<\/b> to use its features within your own application.<\/p>\n\n<p class=\"wp-block-paragraph\">How, you ask? The most versatile use case is sending transactional or triggered emails. You can use our API to set up automatic emails like account confirmation emails, password resets, or abandoned shopping cart reminders.<\/p>\n\n<p class=\"wp-block-paragraph\">These are some of our most-used API endpoints and what they do:<\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\nAPI Endp\u00adoint\n<\/th><th>\nDesc\u00adrip\u00adtion\n<\/th><\/tr><\/thead><tbody><tr><td>\nv3\/<!-- --><!-- -->\/messages\n<\/td><td>\nThe <a href=\"https:\/\/documentation.mailgun.com\/en\/latest\/api-sending.html\">Mes\u00ad\u00adsages endp\u00ad\u00adoint\u00ad<\/a> lets\u00ad you issu\u00ad\u00ade requ\u00ad\u00adests to to send\u00ad\u00ad, stor\u00ad\u00ade, and retr\u00ad\u00adieve emai\u00ad\u00adls.\n<\/td><\/tr><tr><td>\nv3\/<!-- --><!-- -->\/events\n<\/td><td>\nThe <a href=\"https:\/\/documentation.mailgun.com\/en\/latest\/api-events.html\">Eve\u00ad\u00adnts endp\u00ad\u00adoint<\/a> retr\u00adieves deta\u00ad\u00adiled logs\u00ad\u00ad on emai\u00adl even\u00ad\u00adts like\u00ad open\u00ads, unsu\u00adbscribes, deli\u00advered, fail\u00aded, reje\u00adcted, etc.\u00ad\n<\/td><\/tr><tr><td>\nv3\/domains\/<!-- --><!-- -->\/webhooks\n<\/td><td>\nThe <a href=\"https:\/\/documentation.mailgun.com\/en\/latest\/api-webhooks.html\">Web\u00ad\u00adhooks endp\u00ad\u00adoint<\/a> allo\u00adws you to crea\u00ad\u00adte, acce\u00ad\u00adss, and dele\u00ad\u00adte webh\u00ad\u00adooks prog\u00ad\u00adrammatically that\u00ad noti\u00adfy you abou\u00adt even\u00adts.\n<\/td><\/tr><tr><td>\nv3\/<!-- --><!-- -->\/templates\n<\/td><td>\nThe <a href=\"https:\/\/documentation.mailgun.com\/en\/latest\/api-templates.html\">Tem\u00ad\u00adplates endp\u00ad\u00adoint<\/a>, enab\u00adles you to stor\u00ade and acce\u00adss pre-\u00ad\u00addefined emai\u00adl temp\u00ad\u00adlates for send\u00ading.\n<\/td><\/tr><tr><td>\nv4\/address\/validate\n<\/td><td>\nThe <a href=\"https:\/\/documentation.mailgun.com\/en\/latest\/api-email-validation.html#email-validation-verification\">Ema\u00ad\u00adil Veri\u00ad\u00adfications endp\u00ad\u00adoint<\/a> allo\u00adws you to veri\u00adfy emai\u00adl addr\u00adesses base\u00add on:<p><\/p>\n<ul>\n<li>Mail\u00adbox dete\u00adction<\/li>\n<li>Synt\u00adax chec\u00adks (RFC\u00ad defi\u00adned gram\u00admar)<\/li>\n<li>DNS vali\u00addation<\/li>\n<li>Spel\u00adl chec\u00adks<\/li>\n<li>Emai\u00adl Serv\u00adice Prov\u00adider (ESP\u00ad) spec\u00adific loca\u00adl-part gram\u00admar (if avai\u00adlable)<\/li>\n<\/ul>\n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">Wrapping up<\/h2>\n\n<p class=\"wp-block-paragraph\">API endpoints are satisfying for big sending appetites. These process communication points make it easier to set up programmatic scripts to streamline your email program from setting up automated or transactional messaging, to retrieving metrics and data.<\/p>\n\n<p class=\"wp-block-paragraph\">If you send emails frequently at scale and you\u2019re not using an Email API tool, then your email program isn\u2019t reaching its full potential. Managing different types of emails and transactional triggers, receiving important event notifications, and pulling metrics are all important ingredients for your growth, all made easier by APIs.<\/p>\n\n<p class=\"wp-block-paragraph\">Want more content like this? That\u2019s good, because we love to write it. Join us as we get geeky about all things email by subscribing to our newsletter.<\/p>\n    <div data-content-type=\"longform\" class=\"longform-spacings\">\r\n        <div class=\"cta bg-primary rounded-lg px-5 py-6 p-md-7 px-md-6\">\r\n                    <div class=\"form-subscription\">\r\n                            <div class=\"h4 mb-3\">\r\n                    Keep me posted! 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I expressly agree to receive the newsletter and know that I can easily unsubscribe at any time.                        <\/div>\r\n                    \r\n                    <div class=\"col-2\">\r\n                        <button type=\"submit\" value=\"Submit\" aria-label=\"Submit\" class=\"btn btn-secondary btn-icon\">\r\n                            <svg aria-hidden=\"true\" data-url=\"https:\/\/www.mailgun.com\/wp-content\/plugins\/sinch-core\/assets\/icons\/layout\/chevron-right.svg\"><\/svg>\r\n                        <\/button>\r\n                    <\/div>\r\n                <\/div>\r\n\r\n                <input type=\"hidden\" name=\"formSubscriptionRecaptchaToken\" data-fs=\"recaptcha-token\">\r\n                <input type=\"hidden\" name=\"customListID\" value=\"\">\r\n\r\n            <\/form>\r\n            <div data-fs=\"message-success\" style=\"display: none;\">\r\n                <p class=\"mb-0 mt-2 text-body-color\">\r\n                    Check your inbox monthly for your Mailjet Newsletter!                <\/p>\r\n            <\/div>\r\n        <\/div>\r\n        <\/div>\r\n    <\/div>\r\n","protected":false},"excerpt":{"rendered":"<p>Los puntos de conexi\u00f3n de la API son una forma diferente que tienen las aplicaciones de comunicarse. \u00bfPor qu\u00e9 es esto importante? Porque los puntos de conexi\u00f3n habilitan las funciones y los servicios con los que interactuamos todos los d\u00edas. Si los entiendes, puedes manipularlos para hacer cosas como mejorar tu programa de email. \u00bfTienes curiosidad por saber m\u00e1s?<\/p>\n","protected":false},"author":21,"featured_media":4074,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"blog_category":[20],"class_list":["post-20931","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-email"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tu gu\u00eda de puntos de conexi\u00f3n de API - Transactional Email API Service For Developers | Mailgun<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mailgun.com\/es\/blog\/email\/guia-puntos-conexion-api\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tu gu\u00eda de puntos de conexi\u00f3n de API - Transactional Email API Service For Developers | Mailgun\" \/>\n<meta property=\"og:description\" content=\"Los puntos de conexi\u00f3n de la API son una forma diferente que tienen las aplicaciones de comunicarse. \u00bfPor qu\u00e9 es esto importante? Porque los puntos de conexi\u00f3n habilitan las funciones y los servicios con los que interactuamos todos los d\u00edas. Si los entiendes, puedes manipularlos para hacer cosas como mejorar tu programa de email. \u00bfTienes curiosidad por saber m\u00e1s?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mailgun.com\/es\/blog\/email\/guia-puntos-conexion-api\/\" \/>\n<meta property=\"og:site_name\" content=\"Transactional Email API Service For Developers | Mailgun\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-16T21:30:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/MG-Blog-Email.png\" \/>\n\t<meta property=\"og:image:width\" content=\"720\" \/>\n\t<meta property=\"og:image:height\" content=\"448\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"7 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.mailgun.com\\\/es\\\/blog\\\/email\\\/guia-puntos-conexion-api\\\/\",\"url\":\"https:\\\/\\\/www.mailgun.com\\\/es\\\/blog\\\/email\\\/guia-puntos-conexion-api\\\/\",\"name\":\"Tu gu\u00eda de puntos de conexi\u00f3n de API - 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