--- title: "Connect Call Loop 2.0 to Signatureapi - APIANT.ai" description: "When \"Contact Added to List\" fires in Call Loop 2.0, your agent runs \"Add ceremony\" in Signatureapi." canonical: "https://apiant.ai/connect/call-loop-2-0-to-signatureapi" --- # Connect Call Loop 2.0 to Signatureapi When **Contact Added to List** fires in [Call Loop 2.0](https://apiant.ai/connections/call-loop-2-0), your agent runs **Add ceremony** in [Signatureapi](https://apiant.ai/connections/signatureapi). Describe the whole flow and it is built, tested on every scenario and kept running. Call Loop 2.0 **2** triggers Call Loop 2.0 **13** actions Signatureapi **15** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Call Loop 2.0 and Signatureapi 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 Call Loop 2.0 can start in Signatureapi - When **Contact Added to List** in Call Loop 2.0 then **Add ceremony** in Signatureapi - When **Contact Created or Updated** in Call Loop 2.0 then **Add deliverable** in Signatureapi 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 Call Loop 2.0 and Signatureapi ## Triggers and actions 2 triggers · 28 actions - Trigger **Contact Added to List** Triggers when a contact is added to the selected Call Loop list. - Trigger **Contact Created or Updated** Triggers when a contact is created or updated in Call Loop. - Action **Add list** Creates a new contact list in Call Loop and returns the created list. - Action **Create (Update) Contact** Creates a contact, or updates the existing contact with the same phone number, and returns the saved contact. - Action **Delete contact** Permanently deletes one or more contacts by ID and returns a confirmation with the number deleted. - Action **Find contacts by search term** Returns the Call Loop contacts that match a search term, optionally narrowed by status and subscription state. - Action **Get contact** Returns one Call Loop contact by its ID, including its status, subscription state, lists, custom field values and messaging activity. An error occurs if the contact is not found. - Action **Get message** Returns a message's current delivery status and details, looked up by its ID or state UUID. An error occurs if the message is not found. - Action **List contacts** Returns the contacts in your Call Loop organization, optionally filtered by status, search text or subscription state. Deleted contacts are not included. - Action **Send Ringless Voicemail** Queues a ringless voicemail drop to a phone number using an audio file already in your Call Loop account. Returns the queued message and its delivery state. - Action **Send SMS / MMS Message** Queues one SMS or MMS message to a phone number from a number on your Call Loop account, and returns the queued message with its status. - Action **Send Voice Broadcast** Queues one outbound voice call to a phone number, playing an uploaded audio file on live answer, as a voicemail, or both. Returns the queued message and its status. - Action **Update contact** Updates an existing Call Loop contact by ID, changing only the fields you fill in, and returns the saved contact. - Action **Update list** Renames an existing contact list and returns the updated list. - Action **Update Opt-In Status** Sets whether one contact is subscribed to text messages and to calls and ringless voicemail. No message is sent. - Action **Add ceremony** Creates a new signing ceremony for a recipient. Any previous active ceremony for that recipient is revoked. Returns the ceremony, including its URL when the recipient is authenticated by email code or by your own application. - Action **Add deliverable** Creates an additional deliverable (signed PDF package) from a completed envelope. The envelope must be completed. - Action **Add envelope** Creates an envelope with documents and recipients and starts the signing process. - Action **Add upload** Uploads a PDF, DOCX or PNG file to SignatureAPI and returns a URL you can use as a document source when creating an envelope. Uploads expire after 24 hours. - Action **Cancel envelope** Cancel an in-progress envelope so remaining recipients can no longer sign. - Action **Delete envelope** Delete an envelope. - Action **Get deliverable** Retrieves a deliverable by its ID, including its status and, once generated, a download link for the signed PDF. - Action **Get envelope** Retrieve a single envelope by id. - Action **Get recipient** Retrieves a recipient's details, including status, ceremony information and completion timestamp. - Action **Get upload** Fetches an uploaded file's record by ID: its format, size, hash and expiry. An error occurs if the upload is not found. - Action **List deliverables** Returns the deliverables (signed PDFs with audit log) of an envelope, earliest first. - Action **List envelopes** Lists envelopes in the account, most recent first, optionally filtered by status or topic. - Action **Resend request** Resends the signing request to a recipient who has not yet completed their ceremony, e.g. as a reminder or after a lost or soft-bounced email. - Action **Update envelope** Update mutable fields (e.g. title, metadata) of an existing envelope. - Action **Update recipient** Replaces a recipient who has not yet completed with a new person. The original recipient is marked replaced and a new recipient is created with the same type, key, routing position and places. ## Each app on its own - [ **Call Loop 2.0** Call Loop is an all-in-one SMS Texting, Voice Broadcasts, & Ringless Voicemail platform.](https://apiant.ai/connections/call-loop-2-0) - [ **Signatureapi** API for generating documents from templates and collecting legally binding electronic signatures.](https://apiant.ai/connections/signatureapi) Reviews ## What our customers say ## More from Call Loop 2.0 - [ **Call Loop 2.0 to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/call-loop-2-0-to-hubspot) - [ **Call Loop 2.0 to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/call-loop-2-0-to-salesforce) - [ **Call Loop 2.0 to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/call-loop-2-0-to-slack) - [ **Call Loop 2.0 to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/call-loop-2-0-to-google-sheets) - [ **Call Loop 2.0 to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/call-loop-2-0-to-gmail) - [ **Call Loop 2.0 to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/call-loop-2-0-to-google-calendar) ## More into Signatureapi - [ **HubSpot to Signatureapi** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-signatureapi) - [ **Salesforce to Signatureapi** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-signatureapi) - [ **Slack to Signatureapi** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-signatureapi) - [ **Google Sheets to Signatureapi** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-signatureapi) - [ **Gmail to Signatureapi** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-signatureapi) - [ **Google Calendar to Signatureapi** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-signatureapi) Questions ## Call Loop 2.0 and Signatureapi, answered ### ### What can start an automation from Call Loop 2.0? Any of Call Loop 2.0's 2 triggers in the catalog, including Contact Added to List and Contact Created or Updated. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Signatureapi when something happens in Call Loop 2.0? Any of Signatureapi's 15 actions, including Update envelope, Update recipient, Add ceremony and Add deliverable. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Signatureapi to Call Loop 2.0? Signatureapi has no triggers in the catalog today, so automations start in Call Loop 2.0. If you need the other direction, ask: your agent reads Signatureapi's API documentation and adds it. ### ### Do I have to build a connector for Call Loop 2.0 or Signatureapi? 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 Call Loop 2.0 and Signatureapi 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.