# Connect CryptAPI and Mailrelay When **Payment received (instant)** fires in [CryptAPI](https://apiant.ai/connections/cryptapi), your agent runs **Add campaign** in [Mailrelay](https://apiant.ai/connections/mailrelay), or **New subscriber** in Mailrelay to **Create payment address** in CryptAPI. Describe the whole flow and it is built, tested on every scenario and kept running. CryptAPI **1** trigger CryptAPI **7** actions Mailrelay **1** trigger Mailrelay **11** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want CryptAPI and Mailrelay to do together? Give your AI client this address. `https://mcp.apiant.ai` Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser. ### Set it up in your client ### Claude Code Run this in the directory you want to work in. `claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai` Start Claude Code there, approve the server, and sign in in the browser page it opens. [Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code) ### Claude, web and desktop Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Cursor Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Zed Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Codex and the ChatGPT desktop app Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Any other MCP client Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) Example flows ## What CryptAPI and Mailrelay can do together ### From CryptAPI to Mailrelay - When **Payment received (instant)** in CryptAPI then **Add campaign** in Mailrelay - When **Payment received (instant)** in CryptAPI then **Add group** in Mailrelay ### From Mailrelay to CryptAPI - When **New subscriber** in Mailrelay then **Create payment address** in CryptAPI - When **New subscriber** in Mailrelay then **Generate payment QR code** in CryptAPI Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships. Everything your agent can do with CryptAPI and Mailrelay ## Triggers and actions 2 triggers · 18 actions - Trigger **Payment received (instant)** Fires when a payment address created via Create payment address receives funds; CryptAPI calls the callback URL supplied at creation time with the payment details. - Action **Convert price** Convert a value between a fiat currency and a cryptocurrency, or between two cryptocurrencies, for a given ticker. - Action **Create payment address** Generate a new cryptocurrency payment address for a given ticker (e.g. btc, eth, trc20/usdt) that a customer can send funds to, with a callback URL for payment notifications. - Action **Estimate blockchain fees** Estimate the blockchain network fee to forward a transaction to a wallet address, for a given cryptocurrency ticker. - Action **Generate payment QR code** Generate a base64-encoded QR code image for a payment address, for a given cryptocurrency ticker. - Action **Get payment address logs** Get the callback/payment activity log for a previously created payment address, for a given ticker. - Action **Get ticker info** Get details (minimum transaction amount, fees, current price) for a specific cryptocurrency ticker. - Action **List supported cryptocurrencies** List all cryptocurrencies and blockchains supported by CryptAPI, with logos, minimum transaction amounts, and fee tiers. - Trigger **New subscriber** Polling trigger for newly created subscribers. - Action **Add campaign** Create a campaign. - Action **Add group** Create a group. - Action **Add subscriber** Create a subscriber. - Action **Delete subscriber** Remove a subscriber. - Action **Find subscribers by criteria** Search subscribers using q[field_predicate] filters. - Action **Get campaign** Get a campaign by id. - Action **Get subscriber** Get a subscriber by id. - Action **List campaigns** List campaigns. - Action **List groups** List groups. - Action **List senders** List senders. - Action **Update subscriber** Update a subscriber. ## Each app on its own - [ **CryptAPI** CryptAPI is a non-custodial cryptocurrency payment processor that generates payment addresses and forwards...](https://apiant.ai/connections/cryptapi) - [ **Mailrelay** Mailrelay is an advanced email marketing platform with powerful features.](https://apiant.ai/connections/mailrelay) Reviews ## What our customers say ## More from CryptAPI - [ **CryptAPI to RD Station** RD Station is a complete digital marketing platform to help you generate more results in traffic generation...](https://apiant.ai/connect/cryptapi-to-rd-station) - [ **CryptAPI to SLF** SLF is a German-language geographic reference service covering cities, countries, and rivers.](https://apiant.ai/connect/cryptapi-to-slf) - [ **CryptAPI to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/cryptapi-to-hubspot) - [ **CryptAPI to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/cryptapi-to-salesforce) - [ **CryptAPI to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/cryptapi-to-slack) - [ **CryptAPI to Google Sheets** Google Sheets](https://apiant.ai/connect/cryptapi-to-google-sheets) ## More into Mailrelay - [ **CustomGPT.ai to Mailrelay** CustomGPT.ai is a no-code platform that lets you build AI chatbots using your own business content, designed...](https://apiant.ai/connect/customgpt-ai-to-mailrelay) - [ **HubSpot to Mailrelay** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-mailrelay) - [ **Google Sheets to Mailrelay** Google Sheets](https://apiant.ai/connect/google-sheets-to-mailrelay) - [ **Gmail to Mailrelay** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-mailrelay) - [ **Google Calendar to Mailrelay** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-mailrelay) - [ **Google Drive to Mailrelay** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-mailrelay) Questions ## CryptAPI and Mailrelay, answered ### ### What can start an automation from CryptAPI? Any of CryptAPI's 1 trigger in the catalog, including Payment received (instant). Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Mailrelay when something happens in CryptAPI? Any of Mailrelay's 11 actions, including Update subscriber, Add campaign, Add group and Add subscriber. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Mailrelay to CryptAPI? Yes. When something happens in Mailrelay, your agent can act in CryptAPI too. This page covers both directions: Mailrelay's triggers and CryptAPI's actions are listed here as well. ### ### Do I have to build a connector for CryptAPI or Mailrelay? No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running. ### ### What happens when something fails? Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships. ### ### Is there a free plan? Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.