Systems

Experian Address Validation (formerly QAS)

Address capture and validation service, formerly sold as QAS.

Supplier

Experian

What it is

address validation API

Area

What products are built on

Who runs it

Run by the supplier

What we can watch

We follow its status page

Where the supplier publishes

• Website: www.edq.com/uk/address-validation
• Status page: status.edq.com

Last 90 days

Naming Experian Address Validation (formerly QAS)

• Digest 30 Sept 2026

  Higher response times reported for Experian Address Validate and Address Validate REST v2 in the NA region.

  From Experian's status page. Names: Experian Address Validation (formerly QAS) Source

• Digest 30 Sept 2026

  Elevated response times for Address Validate Rest V2 and Experian Address Validate in ANZ region - OPEN/RESOLVED

  From Experian's status page. Names: Experian Address Validation (formerly QAS) Source

• Digest 21 Sept 2026

  High error levels for AV Rest V2 and EAV in UK region

  From Experian's status page. Names: Experian Address Validation (formerly QAS) Source

• Outage 26 Aug 2026

  High response time on EDQ Address Validate Restv2

  From Experian's status page. Names: Experian Address Validation (formerly QAS) Source

From Experian's status page

Posted on a status page that covers Experian Address Validation (formerly QAS) without naming which product it affects.

• Planned work 21 Oct 2026

  Experian Hosted Data Studio Scheduled Maintenance

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 21 Oct 2026

  Experian Hosted Data Studio Scheduled Maintenance

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 14 Oct 2026

  Experian Hosted Data Studio Scheduled Maintenance

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Digest 14 Oct 2026

  Experian Hosted Data Studio Scheduled Maintenance - Continuation

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 14 Oct 2026

  Experian Hosted Data Studio Scheduled Maintenance

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Digest 25 Sept 2026

  IST Webservices - Potential Higher Response Time

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 25 Sept 2026

  Experian Hosted Data Studio – Service Restart Notification

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 24 Sept 2026

  Experian Hosted Data Studio – Service Restart Notification

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 24 Sept 2026

  Experian Hosted Data Studio Emergency Maintenance

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 23 Sept 2026

  Experian Hosted Data Studio Scheduled Maintenance

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 23 Sept 2026

  Experian Hosted Data Studio Scheduled Maintenance

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 23 Sept 2026

  Experian Hosted Data Studio Scheduled Maintenance

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 23 Sept 2026

  Experian Hosted Data Studio Scheduled Maintenance

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 10 Sept 2026

  Expiring certificate for www.intelligentsearch.com *UPDATED*

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 9 Sept 2026

  Experian Hosted Data Studio Scheduled Maintenance

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 9 Sept 2026

  Experian Hosted Data Studio Scheduled Maintenance

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 2 Sept 2026

  Experian Hosted Data Studio Scheduled Maintenance

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 2 Sept 2026

  Experian Hosted Data Studio Emergency Maintenance

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

• Planned work 2 Sept 2026

  Experian Hosted Data Studio Scheduled Maintenance

  From Experian's status page. The page covers: Experian Address Validation (formerly QAS). No product was named. Source

Profile from our research build of public sources made on 24 Oct 2026. Product names are trade marks of their owners. Stack Check is not affiliated with or endorsed by them.