Work with this as data
Every API here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for apis
7 MCP tools reach this
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This API
curl "https://apis.io/api/v1/apis/gadgethumans-com:gadgethumans-com-email-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.
OpenAPI Specification
openapi: 3.2.0
info:
title: GadgetHumans API Hub Email API
version: 2.0.0
description: '200+ free utility API tools for AI agents and developers. Generate QR codes, passwords, UUIDs, hashes, Base64, lorem ipsum, process JSON, convert colors, verify emails, geolocate IPs, and convert timestamps. No API key required for basic usage (100 req/day). Pro: $5/mo unlimited.
MCP server available: `pip install gadgethumans-api-hub-mcp`
Streamable HTTP MCP: POST https://api.gadgethumans.com/mcp
ChatGPT plugin: /.well-known/ai-plugin.json
Google A2A: /.well-known/agent-card.json'
termsOfService: https://gadgethumans.com/terms
contact:
name: GadgetHumans Team
email: hello@gadgethumans.com
url: https://gadgethumans.com
x-openai-plugin:
plugin_url: https://gadgethumans.com/.well-known/ai-plugin.json
servers:
- url: https://api.gadgethumans.com
description: Production API server — free tier (100 req/day), no auth required
tags:
- name: Email
description: Email verification APIs
paths:
/email-verify:
get:
operationId: verifyEmail
summary: Verify Email Address
description: Verify whether an email address is valid and deliverable. Checks syntax, domain validity, MX records, and disposable email provider detection.
x-mcp-tool: verify_email
tags:
- Email
parameters:
- name: email
in: query
required: true
schema:
type: string
format: email
description: The email address to verify
responses:
'200':
description: Email verification result
content:
application/json:
schema:
type: object
properties:
email:
type: string
valid:
type: boolean
disposable:
type: boolean
domain:
type: string
syntax_valid:
type: boolean
externalDocs:
description: MCP Server Documentation
url: https://gadgethumans.com/mcp-server
x-mcp:
server_name: gadgethumans-api-hub-mcp
package_url: https://pypi.org/project/gadgethumans-api-hub-mcp/
install: pip install gadgethumans-api-hub-mcp
endpoint: https://api.gadgethumans.com/mcp
protocol: streamable-http
tools_count: 12
x-llms:
llms_txt: https://gadgethumans.com/llms.txt
llms_full_txt: https://gadgethumans.com/llms-full.txt
api_hub_llms_txt: https://gadgethumans.com/api-hub.llms.txt