# SOAP Client integrations

> Point the SOAP Client at a WSDL, see the methods it describes, and send requests in raw XML.

**Canonical page:** https://tray.ai/connectors/soap-client-integrations/
**Categories:** Developer tools
**Connects through:** Connector

## Overview

Older ERP, finance, logistics and public-sector systems often expose SOAP web services rather than REST APIs. The SOAP Client reads a service's WSDL, from a URL or an uploaded file, lists the methods it describes and sends requests you write in raw XML. It supports Basic, Bearer and NTLM security, or you can reuse any existing Tray authentication.

## Use cases

### Bring older systems into your workflows

Call a SOAP service from the same workflow that updates your CRM and data warehouse, so an order, invoice or shipment in an older system reaches the rest of your stack.

- No middleware to maintain
- Older and newer systems together
- One workflow, one log

### Explore a service before you build

List SOAP methods shows every method in the WSDL, and Describe client returns its services, ports and methods, so you can see what is there before writing a request.

- Every method listed
- Services and ports described
- Faster first request

### Authenticate the way the service expects

Choose Basic, Bearer or NTLM security on the request, which covers many Windows-based services, or reference values from an existing Tray authentication.

- Basic, Bearer or NTLM
- Reuse existing authentications
- Secrets kept out of XML

## Challenges Tray.ai solves

### Writing raw XML

SOAP requests are verbose XML, and the SOAP Client expects you to write it.

**How Tray.ai helps:** You write only what goes inside the SOAP header and body, and Describe client shows what each method expects. Values from earlier steps can be dropped into the XML.

### Keeping up with service changes

A stored copy of a WSDL goes stale when the service changes.

**How Tray.ai helps:** Load the WSDL from its URL, as Tray recommends, so the client reads the current definition.

## Learn more

- Intelligent Integration: https://tray.ai/platform/intelligent-ipaas/
- Merlin Agent Builder: https://tray.ai/platform/merlin-agent-builder/
- Agent Gateway for MCP: https://tray.ai/platform/agent-gateway/
- Book a demo: https://tray.ai/contact/