{
  "info": {
    "_postman_id": "akclnt-email-communication-akclnt-free-apis",
    "name": "Email & Communication — AKCLNT Free APIs",
    "description": "Free APIs from AKCLNT Free APIs (freeapis.akclnt.com) — statuses and limits verified 23 Oct 2026. Regenerated weekly.",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
  },
  "item": [
    {
      "name": "Academic Email API",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://apyhub.com/utility/validator-academic-email",
        "description": "This API allows you to verify whether an email belongs to a recognized educational institution\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/academic-email-api/"
      }
    },
    {
      "name": "Atomic Mail",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://atomicmail.ai",
        "description": "Email for AI agents with programmatic inbox creation and send/receive over the open JMAP standard\nAuth: free key · CORS: unknown · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/atomic-mail/"
      }
    },
    {
      "name": "Cloudmersive Validate",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://cloudmersive.com/validate-api",
        "description": "Validate email addresses, phone numbers, VAT numbers and domain names\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/cloudmersive-validate/"
      }
    },
    {
      "name": "Disify",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://www.disify.com/",
        "description": "Validate and detect disposable and temporary email addresses\nAuth: none · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/disify/"
      }
    },
    {
      "name": "DropMail",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://dropmail.me/api/#live-demo",
        "description": "GraphQL API for creating and managing ephemeral e-mail inboxes\nAuth: none · CORS: unknown · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/dropmail/"
      }
    },
    {
      "name": "email59",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://email59.com",
        "description": "Email API for apps and agents: send from a ready @email59.com address with no DNS setup, plus email verification codes, address checks and campaigns\nAuth: free key · CORS: no · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/email59/"
      }
    },
    {
      "name": "Emailvalidation",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://emailvalidation.io/email-validation-api/",
        "description": "E-Mail address validation\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/emailvalidation/"
      }
    },
    {
      "name": "FreeCustom.Email",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://freecustom.email",
        "description": "Disposable email inboxes with OTP extraction and real-time WebSocket events\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/freecustom-email/"
      }
    },
    {
      "name": "Guerrilla Mail",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://www.guerrillamail.com/GuerrillaMailAPI.html",
        "description": "Disposable temporary Email addresses\nAuth: none · CORS: unknown · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/guerrilla-mail/"
      }
    },
    {
      "name": "Heybounce",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://www.heybounce.io/#email-verification-api",
        "description": "Email Verification API\nAuth: none · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/heybounce/"
      }
    },
    {
      "name": "ImprovMX",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://improvmx.com/api",
        "description": "API for free email forwarding service\nAuth: free key · CORS: unknown · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/improvmx/"
      }
    },
    {
      "name": "inboxsink",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://inboxsink.com",
        "description": "Disposable inboxes for end-to-end tests that wait for the email and extract OTP codes and links\nAuth: free key · CORS: no · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/inboxsink/"
      }
    },
    {
      "name": "IndiePitcher",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://docs.indiepitcher.com/api-reference",
        "description": "Everything email for your startup with markdown support\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/indiepitcher/"
      }
    },
    {
      "name": "Kickbox",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://open.kickbox.com/",
        "description": "Email verification API\nAuth: none · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/kickbox/"
      }
    },
    {
      "name": "mail.gw",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://docs.mail.gw",
        "description": "10 Minute Mail\nAuth: none · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/mail-gw/"
      }
    },
    {
      "name": "mail.tm",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://docs.mail.tm",
        "description": "Temporary Email Service\nAuth: none · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/mail-tm/"
      }
    },
    {
      "name": "MailboxValidator",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://www.mailboxvalidator.com/api-email-free",
        "description": "Validate email address to improve deliverability\nAuth: free key · CORS: unknown · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/mailboxvalidator/"
      }
    },
    {
      "name": "MailChannels",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://www.mailchannels.com/email-api/",
        "description": "Send transactional email over HTTPS with official JavaScript, Python and PHP SDKs\nAuth: free key · CORS: no · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/mailchannels/"
      }
    },
    {
      "name": "MailCheck.ai",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://www.mailcheck.ai/#documentation",
        "description": "Prevent users to sign up with temporary email addresses\nAuth: none · CORS: unknown · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/mailcheck-ai/"
      }
    },
    {
      "name": "mailfloss",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://mailfloss.com",
        "description": "Email verification for signup forms and lists. Stops spam signups by blocking disposable and invalid emails and suggests typo fixes, with 500 free a month\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/mailfloss/"
      }
    },
    {
      "name": "MailValid",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://mailvalid.io",
        "description": "Real-time email verification API with SMTP, MX, disposable, role-based, and catch-all detection. Verify single or bulk emails with confidence scoring\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/mailvalid/"
      }
    },
    {
      "name": "NoParam",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://noparam.com",
        "description": "Email validation API for real-time & bulk checking\nAuth: free key · CORS: unknown · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/noparam/"
      }
    },
    {
      "name": "Notilify",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://documenter.getpostman.com/view/32462468/2s9YsT6ong",
        "description": "A seamless messaging platform & API to send all types of SMS\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/notilify/"
      }
    },
    {
      "name": "Proweblook Email Checker",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://proweblook.com/email-verifier",
        "description": "Validate email addresses without sending\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/proweblook-email-checker/"
      }
    },
    {
      "name": "Resend",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://resend.com/docs/",
        "description": "Email API for developers\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/resend/"
      }
    },
    {
      "name": "Sendgrid",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://docs.sendgrid.com/api-reference/",
        "description": "A cloud-based SMTP provider that allows you to send emails without having to maintain email servers\nAuth: free key · CORS: unknown · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/sendgrid/"
      }
    },
    {
      "name": "SendRaven",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://sendraven.ai",
        "description": "Email API for AI agents: send from your own domain, receive replies as threads, and cap or hold sends for approval per API key\nAuth: free key · CORS: no · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/sendraven/"
      }
    },
    {
      "name": "SMTP Senpai",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://en.mailsenpai.com/smtp-senpai/",
        "description": "EU-hosted transactional email API and SMTP relay: DKIM on your domain, signed webhooks, delivery events\nAuth: free key · CORS: no · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/smtp-senpai/"
      }
    },
    {
      "name": "Sweego",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://learn.sweego.io/docs/api-intro",
        "description": "Self-serve multichannel notification platform for transactional email, SMS, push web& mobile, chat, in-app\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/sweego/"
      }
    },
    {
      "name": "Sweep Emails",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://sweepemails.com/",
        "description": "Reliable email validation API with Free tier\nAuth: free key · CORS: no · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/sweep-emails/"
      }
    },
    {
      "name": "Temporary and Disposable emails API",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://apyhub.com/utility/boomlify-temp-mail",
        "description": "This API provides temporary & disposable email addresses\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/temporary-and-disposable-emails-api/"
      }
    },
    {
      "name": "Trueguard",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://trueguard.io",
        "description": "Trueguard offers API for detecting temporary emails, free-tier abusers and automated bots\nAuth: free key · CORS: no · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/trueguard/"
      }
    },
    {
      "name": "Zyntra",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://docs.zyntra.app/",
        "description": "Unlimited e-mail inboxes with API access. Catch OTPs, reset links, and sign-up emails in test flows\nAuth: free key · CORS: unknown · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/zyntra/"
      }
    },
    {
      "name": "CheckThatPhone",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://checkthatphone.com",
        "description": "Real-time phone validation API for US & Canada: carrier and line type from live carrier data, portability, deliverability, GeoIP and TCPA litigator scrub\nAuth: free key · CORS: unknown · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/checkthatphone/"
      }
    },
    {
      "name": "MobileAPI",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://mobileapi.dev/docs/",
        "description": "Smartphone, tablet, and wearable device specifications\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/mobileapi/"
      }
    },
    {
      "name": "NumlookupAPI",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://numlookupapi.com",
        "description": "Worldwide Phone Number Lookup & Verification API\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/numlookupapi/"
      }
    },
    {
      "name": "Phone Specification",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://github.com/azharimm/phone-specs-api",
        "description": "Rest Api for Phone specifications\nAuth: none · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/phone-specification/"
      }
    },
    {
      "name": "PlaceCall",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://voygr.tech/placecall/",
        "description": "Voice AI agent that phones US businesses for bookings, appointments and quotes, gets through IVR menus and holds, and returns the outcome and transcript\nAuth: free key · CORS: no · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/placecall/"
      }
    },
    {
      "name": "Proweblook Phone Number Checker",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://proweblook.com/phone-number-validator",
        "description": "Phone number validation\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/proweblook-phone-number-checker/"
      }
    },
    {
      "name": "Proweblook Whatsapp Contact Checker",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://proweblook.com/whatsapp-number-checker",
        "description": "Whatsapp number validation\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/proweblook-whatsapp-contact-checker/"
      }
    },
    {
      "name": "USA Caller Lookup",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://www.usacallerlookup.com/api/",
        "description": "US reverse phone lookup: carrier, location and FTC robocall complaint data, no key needed\nAuth: none · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/usa-caller-lookup/"
      }
    },
    {
      "name": "Veriphone",
      "request": {
        "method": "GET",
        "header": [],
        "url": "https://veriphone.io",
        "description": "Phone number validation & carrier lookup\nAuth: free key · CORS: yes · Limits: Free tier — confirm exact limits in the official docs\nListing: https://freeapis.akclnt.com/api/veriphone/"
      }
    }
  ]
}