> ## Documentation Index
> Fetch the complete documentation index at: https://docs.procuros.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Procuros AS2 Details

> Technical information for connecting to Procuros via AS2

The AS2 connection from Procuros enables secure and reliable electronic data exchange between you and your trading partners. This technical documentation contains all necessary parameters for configuring your AS2 connection.

## Technical Contact Person

If you have questions about AS2 setup or connection issues, the following contact options are available:

* Email: [help@procuros.io](mailto:help@procuros.io)
* Phone: +49 40 87709293

## Connection Addresses

<Steps>
  <Step title="Configure AS2 Inbound Address">
    Use one of the following endpoint addresses for configuration:

    * HTTPS: `https://as2.procuros.io/receive/v1` (Port: 443)
    * HTTP: `http://as2.procuros.io/receive/v1` (Port: 80)
  </Step>

  <Step title="Enter AS2 Identifier">
    AS2 Identifier: `procuros`
  </Step>
</Steps>

## Technical Details

The following settings are required for a successful AS2 connection with Procuros:

* Message Encryption: Yes (Algorithm: 3DES)
* Message Compression: No
* Message Signing: Yes (Algorithm: SHA1)
* MDN: Yes
* Mode: Sync
* Signed: Yes (Algorithm: SHA1)

<Info>
  These configuration details can be used for both production and test environments.
</Info>

## IP Addresses

### Outgoing IP Addresses

Procuros uses the following outgoing IP addresses when your AS2 server is addressed:

```
51.116.233.35, 51.116.171.49, 51.116.233.33, 51.116.233.22, 51.116.168.104, 51.116.175.17, 51.116.233.87, 51.116.175.51, 20.113.11.136, 20.113.11.85, 20.113.10.168, 20.113.8.64, 3.70.10.129, 3.76.51.85, 52.28.170.162, 52.59.155.142
```

### Incoming IP Addresses

The Procuros AS2 server can be reached at the following incoming IP addresses:

```
20.101.181.60, 35.157.232.59, 35.159.186.102
```

<Note>
  Ensure that these IP addresses are whitelisted in your firewalls and security systems to ensure smooth communication.
</Note>

## Certificates

For encrypted communication, you need the Procuros certificates. These are available in various formats:

* <a href="https://prod-procuros-logo-bucket.s3.eu-central-1.amazonaws.com/as2/certificates/procuros_as2_certificate_2026.cer" download>procuros\_as2\_certificate.cer</a>
* <a href="https://prod-procuros-logo-bucket.s3.eu-central-1.amazonaws.com/as2/certificates/procuros_as2_certificate_2026.txt" download>procuros\_as2\_certificate.txt</a>
* <a href="https://prod-procuros-logo-bucket.s3.eu-central-1.amazonaws.com/as2/certificates/procuros_as2_certificate_2026.pem" download>procuros\_as2\_certificate.pem</a>
* <a href="https://prod-procuros-logo-bucket.s3.eu-central-1.amazonaws.com/as2/certificates/procuros_as2_certificate_2026.p7b" download>procuros\_as2\_certificate.p7b</a>

<Steps>
  <Step title="Download Certificate">
    Download the certificate in the required format from the list above.
  </Step>

  <Step title="Install Certificate">
    Import the certificate into your AS2 software according to the instructions from your AS2 provider.
  </Step>
</Steps>

## Frequently Asked Questions

<Accordion title="Are the connection details suitable for both production and test environments?">
  Yes, the AS2 connection can be used for both environments.
</Accordion>