Open Connector
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mails.so logomails.so

Check if an email address is valid for free. Prevent fraud, dodge fake users, and preserve your sender reputation.

mails-sovcatalog-v10 tools

Authentication

MethodKindStatusDetails
API Keyapi_keyavailable

Call a tool

import { createClient } from "@open-connector/sdk";const oc = createClient({  baseUrl: "https://api.openconnector.dev",  apiKey: process.env.OPEN_CONNECTOR_API_KEY!,});const toolkit = await oc.getToolkit({ slug: "mails-so" });
import Composio from "@composio/client";const composio = new Composio({  baseURL: "https://api.openconnector.dev/composio",  apiKey: process.env.OPEN_CONNECTOR_API_KEY!,});const toolkit = await composio.toolkits.retrieve("mails-so");
oc toolkits info mails-so

Tool catalog

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