--- title: "Connect Langfuse and Saasu - APIANT.ai" description: "When \"New Trace\" fires in Langfuse, your agent runs \"Create Contact\" in Saasu, or \"New Contact\" in Saasu to \"Add Comment\" in Langfuse." canonical: "https://apiant.ai/connect/langfuse-to-saasu" --- # Connect Langfuse and Saasu When **New Trace** fires in [Langfuse](https://apiant.ai/connections/langfuse), your agent runs **Create Contact** in [Saasu](https://apiant.ai/connections/saasu), or **New Contact** in Saasu to **Add Comment** in Langfuse. Describe the whole flow and it is built, tested on every scenario and kept running. Langfuse **1** trigger Langfuse **14** actions Saasu **1** trigger Saasu **21** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Langfuse and Saasu 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 Langfuse and Saasu can do together ### From Langfuse to Saasu - When **New Trace** in Langfuse then **Create Contact** in Saasu - When **New Trace** in Langfuse then **Create Item Invoice** in Saasu ### From Saasu to Langfuse - When **New Contact** in Saasu then **Add Comment** in Langfuse - When **New Contact** in Saasu then **Add Dataset Item** in Langfuse 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 Langfuse and Saasu ## Triggers and actions 2 triggers · 35 actions - Trigger **New Trace** Polling trigger: fires for newly created traces (dedup by trace id / timestamp). - Action **Add Comment** Add a comment to a trace/observation/session/prompt object. - Action **Add Dataset** Create a new dataset. - Action **Add Dataset Item** Create an item (input/expected_output/metadata) in a dataset. - Action **Add Prompt** Create a new prompt version (text or chat). - Action **Add Score** Create a score attached to a trace/observation/session (numeric, categorical, or boolean). - Action **Delete Trace** Delete a trace by id. - Action **Get Project** Reads the Langfuse project that the connection's project-scoped API key belongs to. - Action **Get Prompt** Get a prompt by name (and optional version/label). - Action **Get Trace** Get a single trace by id, including nested observations/scores. - Action **List Dataset Items** List items in a dataset. - Action **List Datasets** List all datasets in the project. - Action **List Prompts** List all prompts in the project. - Action **List Scores** List scores with optional filters. - Action **List Traces** List traces with optional filters (user, session, tags, timerange). - Trigger **New Contact** Triggers when a new contact is added to your Saasu file. - Action **Add activity** Creates an activity (task, call, meeting, note) in your Saasu file, optionally attached to a contact or transaction. - Action **Add company** Creates a company record in Saasu. - Action **Add item** Creates an inventory or combo item in Saasu. - Action **Add journal** Creates a manual journal entry with debit and credit lines in a Saasu file. - Action **Create Contact** Creates a new contact (person) in your Saasu file and returns its id. - Action **Create Item Invoice** Creates an item-layout invoice, quote or order in Saasu with inventory item line items. - Action **Create Service Invoice** Creates a service-layout sale or purchase invoice in Saasu, with line items described by account and amount. - Action **Delete contact** Deletes a contact from your Saasu file. - Action **Delete invoice** Deletes a sale or purchase invoice from the Saasu file. - Action **Delete item** Deletes an inventory item from the Saasu file. - Action **Email invoice** Emails a Saasu invoice to the email address you specify. - Action **Find accounts** Returns the accounts in your Saasu chart of accounts, filtered by type, status, bank-account flag or header account. - Action **Find companies** Returns the companies in your Saasu file whose name matches, optionally limited to a last-modified date range. - Action **Find Contact** Finds Saasu contacts matching an email, name, company or other criteria and returns the matching contacts. - Action **Find items** Returns the inventory and combo items whose code or description matches the search text. - Action **Get contact** Returns a single Saasu contact by its ID. - Action **Get invoice** Returns a single Saasu invoice (sale or purchase) by its ID, including line items and totals. - Action **Get journal** Returns a single journal transaction, including its date, reference, summary and journal line items. - Action **Update contact** Updates an existing contact in Saasu, such as their name, email, phone numbers, addresses and customer/supplier flags. - Action **Update invoice** Updates an existing Saasu sale or purchase invoice, replacing its details and line items. - Action **Update item** Updates an existing inventory or combo item in Saasu, such as its code, description, prices, accounts and tax codes. ## Each app on its own - [ **Langfuse** Langfuse is an open-source LLM engineering platform (GitHub) that helps teams collaboratively debug...](https://apiant.ai/connections/langfuse) - [ **Saasu** Fast, simple online accounting for small business that includes cashflow, invoicing, inventory, payroll and...](https://apiant.ai/connections/saasu) Reviews ## What our customers say ## More from Langfuse - [ **Langfuse to 5DollarFootball** Football fixtures, results, standings and historical odds with corner and card lines](https://apiant.ai/connect/langfuse-to-5dollarfootball) - [ **Langfuse to Cloudflare Trace** Cloudflare Trace is a free JSON wrapper over Cloudflare's edge trace endpoint that reports what Cloudflare...](https://apiant.ai/connect/langfuse-to-cloudflare-trace) - [ **Langfuse to PaperClean** Clean document photos for printing, remove shadows, fix lighting](https://apiant.ai/connect/langfuse-to-paperclean) - [ **Langfuse to Postman** Postman is a platform for building and testing APIs.](https://apiant.ai/connect/langfuse-to-postman) - [ **Langfuse to Rendobar** Hosted media processing over REST: transcode, caption, watermark video](https://apiant.ai/connect/langfuse-to-rendobar) - [ **Langfuse to Runpod** Cloud GPU platform for renting on-demand compute to train and deploy AI models, including serverless...](https://apiant.ai/connect/langfuse-to-runpod) ## More into Saasu - [ **HubSpot to Saasu** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-saasu) - [ **Google Sheets to Saasu** Google Sheets](https://apiant.ai/connect/google-sheets-to-saasu) - [ **Gmail to Saasu** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-saasu) - [ **Google Calendar to Saasu** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-saasu) - [ **Google Drive to Saasu** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-saasu) - [ **Mailchimp to Saasu** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-saasu) Questions ## Langfuse and Saasu, answered ### ### What can start an automation from Langfuse? Any of Langfuse's 1 trigger in the catalog, including New Trace. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Saasu when something happens in Langfuse? Any of Saasu's 21 actions, including Create Contact, Create Item Invoice, Create Service Invoice and Update contact. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Saasu to Langfuse? Yes. When something happens in Saasu, your agent can act in Langfuse too. This page covers both directions: Saasu's triggers and Langfuse's actions are listed here as well. ### ### Do I have to build a connector for Langfuse or Saasu? 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 Langfuse and Saasu 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.