---
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"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/64004#article
headline: "64004: Pay: Invalid paymentConnector attribute in TwiML."
url: https://www.twilio.com/docs/api/errors/64004
inLanguage: en
dateModified: 2026-03-11T22:03:37.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 64004: Pay: Invalid paymentConnector attribute in TwiML.

Log Level: ERROR

## Description

A 64004 Error is an indication that the value provided with paymentConnector attribute of Pay verb does not match to a Pay Connector configuration. See the [Pay Verb](/docs/voice/twiml/pay#paymentconnector) API Reference.

### Possible solutions

* Make sure that the paymentConnector matches a Unique Name in the `<Pay>` Connector. Go to [this page](/console/voice/pay-connectors) for a list of your Connectors.