--- title: "Connect CryptAPI to Nextdoor - APIANT.ai" description: "When \"Payment received (instant)\" fires in CryptAPI, your agent runs \"Add ad\" in Nextdoor." canonical: "https://apiant.ai/connect/cryptapi-to-nextdoor" --- # Connect CryptAPI to Nextdoor When **Payment received (instant)** fires in [CryptAPI](https://apiant.ai/connections/cryptapi), your agent runs **Add ad** in [Nextdoor](https://apiant.ai/connections/nextdoor). Describe the whole flow and it is built, tested on every scenario and kept running. CryptAPI **1** trigger CryptAPI **7** actions Nextdoor **10** 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 Nextdoor to do together? Give your AI client this address. `https://mcp.apiant.ai` One connection does both: ask your client to act in an app once, or have it build an automation that keeps running. 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 can start in Nextdoor - When **Payment received (instant)** in CryptAPI then **Add ad** in Nextdoor - When **Payment received (instant)** in CryptAPI then **Add ad group** in Nextdoor 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 Nextdoor ## Triggers and actions 1 trigger · 17 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. - Action **Add ad** Creates an ad in an existing Nextdoor ad group, using an existing creative. - Action **Add ad group** Creates an ad group in an existing Nextdoor Ads campaign, with its placements, bid, daily budget, schedule and optional targeting. - Action **Add advertiser** Creates a Nextdoor Ads advertiser under your Ads Manager profile and returns the new advertiser. - Action **Add campaign** Creates a Nextdoor Ads campaign for an advertiser with a name and objective. - Action **Add creative** Creates an image creative (headline, body text, canvas and logo images, call to action) for a Nextdoor advertiser. New creatives go through Nextdoor review. - Action **Add custom audience** Creates a Nextdoor custom audience from an uploaded CSV file of emails, addresses, postal codes or user ids. - Action **Get advertiser** Returns a Nextdoor Ads advertiser's details, including name, contact info, address, categories, billing limit and account balance. - Action **Update ad** Updates an existing Nextdoor ad's name or creative and returns the updated ad. - Action **Update ad group** Updates an existing Nextdoor ad group's name, bid, budget, schedule, frequency caps or targeting, and returns the updated ad group. - Action **Update campaign** Updates the name or objective of an existing Nextdoor Ads campaign and returns the updated campaign. ## 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) - [ **Nextdoor** Nextdoor is a neighborhood app that operates a hyperlocal social networking service for neighborhoods.](https://apiant.ai/connections/nextdoor) 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 Nextdoor - [ **HubSpot to Nextdoor** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-nextdoor) - [ **Salesforce to Nextdoor** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-nextdoor) - [ **Slack to Nextdoor** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-nextdoor) - [ **Google Sheets to Nextdoor** Google Sheets](https://apiant.ai/connect/google-sheets-to-nextdoor) - [ **Gmail to Nextdoor** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-nextdoor) - [ **Google Calendar to Nextdoor** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-nextdoor) Questions ## CryptAPI and Nextdoor, 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 Nextdoor when something happens in CryptAPI? Any of Nextdoor's 10 actions, including Update ad, Update ad group, Update campaign and Add ad. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Nextdoor to CryptAPI? Nextdoor has no triggers in the catalog today, so automations start in CryptAPI. If you need the other direction, ask: your agent reads Nextdoor's API documentation and adds it. ### ### Do I have to build a connector for CryptAPI or Nextdoor? 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. ### ### Can my AI client use CryptAPI and Nextdoor without building an automation? Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both. ### ### 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.