---
title: "Connect Sellsy and Space Invoices / Apollo - APIANT.ai"
description: "When \"New Company\" fires in Sellsy, your agent runs \"Add customer\" in Space Invoices / Apollo."
canonical: "https://apiant.ai/connect/sellsy-to-space-invoices-apollo"
---

# Connect Sellsy and Space Invoices / Apollo

When **New Company** fires in [Sellsy](https://apiant.ai/connections/sellsy), your agent runs **Add customer** in [Space Invoices / Apollo](https://apiant.ai/connections/space-invoices-apollo), or **New Document** in Space Invoices / Apollo to **Create Contact** in Sellsy. Describe the whole flow and it is built, tested on every scenario and kept running.

Sellsy **9** triggers Sellsy **15** actions Space Invoices / Apollo **1** trigger Space Invoices / Apollo **9** actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

## What do you want Sellsy and Space Invoices / Apollo 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 Sellsy and Space Invoices / Apollo can do together

### From Sellsy to Space Invoices / Apollo

- When **New Company** in Sellsy then **Add customer** in Space Invoices / Apollo
- When **New Contact** in Sellsy then **Update customer** in Space Invoices / Apollo

### From Space Invoices / Apollo to Sellsy

- When **New Document** in Space Invoices / Apollo then **Create Contact** in Sellsy
- When **New Document** in Space Invoices / Apollo then **Create Task** in Sellsy

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 Sellsy and Space Invoices / Apollo

## Triggers and actions 10 triggers · 24 actions

- Trigger

**Deleted Task**

Triggers when a task is deleted.

- Trigger

**New Company**

Triggers when a new company (client or prospect) is created.

- Trigger

**New Contact**

Triggers when a new contact is created.

- Trigger

**New Opportunity**

Triggers when a new opportunity is created.

- Trigger

**New Task**

Triggers when a new task is created.

- Trigger

**Updated Company**

Triggers when a company (client or prospect) is updated.

- Trigger

**Updated Contact**

Triggers when a contact is updated.

- Trigger

**Updated Opportunity Status**

Triggers when the status is changed on an opportunity.

- Trigger

**Updated Task**

Triggers when a task is updated.

- Action

**Create Annotation**

Creates a new annotation.

- Action

**Create Company**

Creates a new company (prospect or client).

- Action

**Create Contact**

Creates a new contact.

- Action

**Create Opportunity**

Creates an opportunity.

- Action

**Create Task**

Creates a new Task.

- Action

**Create/Update Company**

Creates a new company (prospect or client). Make an update if we found an existing company with provided email.

- Action

**Create/Update Contact**

Creates a new contact. Make an update if we found an existing contact with provided email.

- Action

**Delete Task**

Deletes a Sellsy task.

- Action

**Find Company**

Finds an existing company (prospect or client).

- Action

**Find Contact**

Finds an existing contact.

- Action

**Get Opportunity**

Returns one Sellsy opportunity by id.

- Action

**Get Task**

Returns one Sellsy task by id.

- Action

**List Opportunity Pipeline Steps**

Lists the steps of a pipeline; supplies the required step id for Create Opportunity.

- Action

**Update Opportunity**

updates an existing opportunity's fields, including its status (open/won/lost/cancelled/...) and pipeline step; a status change fires the opportunity.status webhook event.

- Action

**Update Task**

updates a task's title, description, due date, status etc.; fires task.updated.

- Trigger

**New Document**

Fires when a new document (invoice, estimate, credit note, advance invoice or delivery note) is created.

- Action

**Add customer**

Create a customer.

- Action

**Add item**

Create a catalog item/product.

- Action

**Add payment**

Record a payment against an invoice.

- Action

**Create Document**

Creates a new invoice document in Space Invoices. Totals, taxes and numbering are calculated by Space Invoices.

- Action

**Find customers by criteria**

Search customers with filter/search query params.

- Action

**Get customer**

Retrieve a customer by id.

- Action

**Get invoice**

Retrieve an invoice by id.

- Action

**List items**

Lists catalog items.

- Action

**Update customer**

Update a customer by id.

## Each app on its own

- [ **Sellsy** Sellsy is a French SaaS that helps SMBs and VBEs manage sales, invoicing, marketing, and cash flow in one...](https://apiant.ai/connections/sellsy)
- [ **Space Invoices / Apollo** Space Invoices is an advanced, multi-tenant invoicing API that helps companies across the world to easily...](https://apiant.ai/connections/space-invoices-apollo)

Reviews

## What our customers say

## More from Sellsy

- [ **Sellsy to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/sellsy-to-slack)
- [ **Sellsy to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/sellsy-to-stripe)
- [ **Sellsy to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/sellsy-to-shopify)
- [ **Sellsy to Trello** Trello is a visual collaboration tool that organizes projects into boards, lists, and cards.](https://apiant.ai/connect/sellsy-to-trello)
- [ **Sellsy to Zoom** Zoom unifies cloud video conferencing, simple online meetings, group messaging, and a software-based...](https://apiant.ai/connect/sellsy-to-zoom)
- [ **Sellsy to Twilio** Cloud communications platform for sending SMS/MMS messages, making and managing voice calls, and looking up...](https://apiant.ai/connect/sellsy-to-twilio)

## More into Space Invoices / Apollo

- [ **MINDBODY to Space Invoices / Apollo** MINDBODY is a powerful business management software that combines your scheduling, task automation...](https://apiant.ai/connect/mindbody-to-space-invoices-apollo)
- [ **HubSpot to Space Invoices / Apollo** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-space-invoices-apollo)
- [ **Salesforce to Space Invoices / Apollo** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-space-invoices-apollo)
- [ **Slack to Space Invoices / Apollo** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-space-invoices-apollo)
- [ **Google Sheets to Space Invoices / Apollo** Google Sheets](https://apiant.ai/connect/google-sheets-to-space-invoices-apollo)
- [ **Gmail to Space Invoices / Apollo** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-space-invoices-apollo)

Questions

## Sellsy and Space Invoices / Apollo, answered

###

### What can start an automation from Sellsy?

Any of Sellsy's 9 triggers in the catalog, including New Company, New Contact, New Opportunity and New Task. Describe the moment in plain language and your agent picks the right one.

###

### What can your agent do in Space Invoices / Apollo when something happens in Sellsy?

Any of Space Invoices / Apollo's 9 actions, including Create Document, Update customer, Add customer and Add item. Your agent maps the data both ways and tests every scenario before it ships.

###

### Can it also run from Space Invoices / Apollo to Sellsy?

Yes. When something happens in Space Invoices / Apollo, your agent can act in Sellsy too. This page covers both directions: Space Invoices / Apollo's triggers and Sellsy's actions are listed here as well.

###

### Do I have to build a connector for Sellsy or Space Invoices / Apollo?

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 Sellsy and Space Invoices / Apollo 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.
