# Charge ExistingChargeKey field

**URL:** <http://forum.companieshouse.gov.uk/t/charge-existingchargekey-field/1639>\
**Category:** Uncategorized\
**Created:** [February 15, 2018, 11:08am UTC](http://forum.companieshouse.gov.uk/t/charge-existingchargekey-field/1639 "2018-02-15T11:08:59Z")\
**Posts on this page:** 9\
**Page:** 1

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**Author:** ![dave1](http://forum.companieshouse.gov.uk/user_avatar/forum.companieshouse.gov.uk/dave1/32/456_2.png) [@dave1](http://forum.companieshouse.gov.uk/u/dave1)\
**Post date:** [February 15, 2018, 11:08am UTC](http://forum.companieshouse.gov.uk/t/charge-existingchargekey-field/1639/1 "2018-02-15T11:08:59Z")

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When submitting messages to the XML part of the CH system one of the fields you need to provide is `ExistingChargeKey` is this returned through the JSON API?

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**Author:** ![MArkWilliams](http://forum.companieshouse.gov.uk/user_avatar/forum.companieshouse.gov.uk/markwilliams/32/194_2.png) [@MArkWilliams](http://forum.companieshouse.gov.uk/u/MArkWilliams)\
**Post date:** [February 15, 2018, 2:23pm UTC](http://forum.companieshouse.gov.uk/t/charge-existingchargekey-field/1639/2 "2018-02-15T14:23:08Z")

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This may be better directed to [http://xmlforum.aws.chdev.org/](http://xmlforum.aws.chdev.org/)

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**Author:** ![dave1](http://forum.companieshouse.gov.uk/user_avatar/forum.companieshouse.gov.uk/dave1/32/456_2.png) [@dave1](http://forum.companieshouse.gov.uk/u/dave1)\
**Post date:** [February 15, 2018, 2:58pm UTC](http://forum.companieshouse.gov.uk/t/charge-existingchargekey-field/1639/3 "2018-02-15T14:58:49Z")

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I already tried in the XML forum but was asked to post here…

> **[ChargeUpdate ExistingChargeKey](http://xmlforum.aws.chdev.org/t/chargeupdate-existingchargekey/371)**
>
> When sending a ChargeUpdate message for a charge without a ChargeCode what value should go in the ExistingChargeKey? I suspect it should be the last part of the links.self URL returned by the JSON API calls for charges but wanted to confirm. If...

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**Author:** ![MArkWilliams](http://forum.companieshouse.gov.uk/user_avatar/forum.companieshouse.gov.uk/markwilliams/32/194_2.png) [@MArkWilliams](http://forum.companieshouse.gov.uk/u/MArkWilliams)\
**Post date:** [February 15, 2018, 3:11pm UTC](http://forum.companieshouse.gov.uk/t/charge-existingchargekey-field/1639/4 "2018-02-15T15:11:06Z")

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Ah.  
I will find someone who can answer your question if I have to search the entire department.

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**Author:** ![MArkWilliams](http://forum.companieshouse.gov.uk/user_avatar/forum.companieshouse.gov.uk/markwilliams/32/194_2.png) [@MArkWilliams](http://forum.companieshouse.gov.uk/u/MArkWilliams)\
**Post date:** [February 16, 2018, 2:00pm UTC](http://forum.companieshouse.gov.uk/t/charge-existingchargekey-field/1639/5 "2018-02-16T14:00:21Z")

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I have found ‘someone’, who will investigate.

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**Author:** ![dave1](http://forum.companieshouse.gov.uk/user_avatar/forum.companieshouse.gov.uk/dave1/32/456_2.png) [@dave1](http://forum.companieshouse.gov.uk/u/dave1)\
**Post date:** [February 20, 2018, 4:24pm UTC](http://forum.companieshouse.gov.uk/t/charge-existingchargekey-field/1639/6 "2018-02-20T16:24:51Z")

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Hi Mark,

Have you been able to find out anything further about this?

Thanks,

Dave

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**Author:** ![MArkWilliams](http://forum.companieshouse.gov.uk/user_avatar/forum.companieshouse.gov.uk/markwilliams/32/194_2.png) [@MArkWilliams](http://forum.companieshouse.gov.uk/u/MArkWilliams)\
**Post date:** [February 21, 2018, 12:33pm UTC](http://forum.companieshouse.gov.uk/t/charge-existingchargekey-field/1639/7 "2018-02-21T12:33:42Z")

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No, sorry still awaiting a reply.

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**Author:** ![dave1](http://forum.companieshouse.gov.uk/user_avatar/forum.companieshouse.gov.uk/dave1/32/456_2.png) [@dave1](http://forum.companieshouse.gov.uk/u/dave1)\
**Post date:** [March 1, 2018, 9:26am UTC](http://forum.companieshouse.gov.uk/t/charge-existingchargekey-field/1639/8 "2018-03-01T09:26:14Z")

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Hi Mark,

Just wondered whether there’d been any more progress on this yet?

Thanks,

Dave

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**Author:** ![MArkWilliams](http://forum.companieshouse.gov.uk/user_avatar/forum.companieshouse.gov.uk/markwilliams/32/194_2.png) [@MArkWilliams](http://forum.companieshouse.gov.uk/u/MArkWilliams)\
**Post date:** [March 1, 2018, 1:25pm UTC](http://forum.companieshouse.gov.uk/t/charge-existingchargekey-field/1639/9 "2018-03-01T13:25:41Z")

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So sorry about this delay. The analyst who was looking at this has been too busy with higher priority work. That is not an excuse of course, just reality here.  
I will contact them again and see if there is anyone else available.  
Again so sorry for the delay.