# I unable to link the api in delta demo account

**URL:** <https://community.delta.exchange/t/i-unable-to-link-the-api-in-delta-demo-account/2144>\
**Category:** Crypto Markets Discussion\
**Created:** [September 11, 2025, 11:56am UTC](https://community.delta.exchange/t/i-unable-to-link-the-api-in-delta-demo-account/2144 "2025-09-11T11:56:20Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![nmramesh](https://avatars.discourse-cdn.com/v4/letter/n/e9c0ed/32.png) [@nmramesh](https://community.delta.exchange/u/nmramesh)\
**Post date:** [September 11, 2025, 11:56am UTC](https://community.delta.exchange/t/i-unable-to-link-the-api-in-delta-demo-account/2144/1 "2025-09-11T11:56:20Z")

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Hi, I tried to auto trade ,before live trade ,i need to check my strategy in demo account but I unable to link api in demo account ,i

During python running uts always invalid api so can anyone to give solution

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**Author:** ![Simbu](https://avatars.discourse-cdn.com/v4/letter/s/f07891/32.png) [@Simbu](https://community.delta.exchange/u/Simbu)\
**Post date:** [September 11, 2025, 1:35pm UTC](https://community.delta.exchange/t/i-unable-to-link-the-api-in-delta-demo-account/2144/2 "2025-09-11T13:35:52Z")

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U can even try with 500 rs first in real trade. Itself..so u come to knw their charges and strategy performance

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**Author:** ![nmramesh](https://avatars.discourse-cdn.com/v4/letter/n/e9c0ed/32.png) [@nmramesh](https://community.delta.exchange/u/nmramesh)\
**Post date:** [September 11, 2025, 4:06pm UTC](https://community.delta.exchange/t/i-unable-to-link-the-api-in-delta-demo-account/2144/3 "2025-09-11T16:06:32Z")

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My api not connected in demo , why

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**Author:** ![manku.pathak](https://avatars.discourse-cdn.com/v4/letter/m/a6a055/32.png) [@manku.pathak](https://community.delta.exchange/u/manku.pathak)\
**Post date:** [September 12, 2025, 4:34am UTC](https://community.delta.exchange/t/i-unable-to-link-the-api-in-delta-demo-account/2144/4 "2025-09-12T04:34:16Z")

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Hi @nmramesh ,  
Can you please share your demo account user\_id?

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<div class="post-metadata">

**Author:** ![nmramesh](https://avatars.discourse-cdn.com/v4/letter/n/e9c0ed/32.png) [@nmramesh](https://community.delta.exchange/u/nmramesh)\
**Post date:** [September 12, 2025, 6:02am UTC](https://community.delta.exchange/t/i-unable-to-link-the-api-in-delta-demo-account/2144/5 "2025-09-12T06:02:47Z")

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26232408 demo id si how I et up and see back up testing

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**Author:** ![manku.pathak](https://avatars.discourse-cdn.com/v4/letter/m/a6a055/32.png) [@manku.pathak](https://community.delta.exchange/u/manku.pathak)\
**Post date:** [September 12, 2025, 6:25am UTC](https://community.delta.exchange/t/i-unable-to-link-the-api-in-delta-demo-account/2144/6 "2025-09-12T06:25:44Z")

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> [@nmramesh](#):
>
> 26232408

Can you please confirm if the api base url used as [https://cdn-ind.testnet.deltaex.org](https://cdn-ind.testnet.deltaex.org) ? If it is correct, can you please share your code without api key/secret to debug?

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<div class="post-metadata">

**Author:** ![nmramesh](https://avatars.discourse-cdn.com/v4/letter/n/e9c0ed/32.png) [@nmramesh](https://community.delta.exchange/u/nmramesh)\
**Post date:** [September 12, 2025, 9:13am UTC](https://community.delta.exchange/t/i-unable-to-link-the-api-in-delta-demo-account/2144/7 "2025-09-12T09:13:31Z")

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This url am not mentioned in the code

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<div class="post-metadata">

**Author:** ![manku.pathak](https://avatars.discourse-cdn.com/v4/letter/m/a6a055/32.png) [@manku.pathak](https://community.delta.exchange/u/manku.pathak)\
**Post date:** [September 12, 2025, 10:30am UTC](https://community.delta.exchange/t/i-unable-to-link-the-api-in-delta-demo-account/2144/8 "2025-09-12T10:30:22Z")

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Please confirm after updating the url, the code is working or not.  
The url is mentioned on Delta api docs: [Delta Exchange Api](https://docs.delta.exchange/#ApiSection)

 ![Screenshot 2025-09-12 at 15.59.59](https://canada1.discourse-cdn.com/flex004/uploads/deltaexchange/original/1X/6eb5cd63dfec8f7ef1ac46b9cb1a492574389c90.png)