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Guides API Reference

OpenApi Spec Contact Us

API Reference

Guides API Reference

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Getting Started

Authentication
Environments
- Environment Differences
- Test Connectivity
Request and Response
Errors
- Error Code Ranges
- Common Error Codes
Quickstart

Helix API

Account
Account - Entitlement
Account - Hold
- Release a holdpost
- Place a holdpost
Account - Limit
Account - Stop Pay
- Expire a stop paypost
- List stop paysget
Account Beneficiary
Bank Document
- Download a bank documentget
- List bank documentsget
Card
Card - Fraud Text Alert
- Get fraud text enrollment statusget
- Opt out of fraud textspost
Card - Limit
Card - Mock
Card - Provision
Card - Risk Factor
- Set card risk factorspost
- Get card risk factorsget
Card Control
Customer
Customer - Due Diligence
- List a customer's due diligence responsesget
- Submit a customer's due diligence answerspost
Customer Beneficiary
Customer Document
Customer Relationship
External Account
External Account Document
- Upload an external account documentpost
Fee
- Get feesget
Program
Statement
Transaction
Transfer
Account
Account Beneficiary
Bank Document
- Download a bank documentget
- List bank documentsget
Card
Customer
Customer Beneficiary
Customer Document
Customer Relationship
External Account
External Account Document
- Upload an external account documentpost
Fee
- Get feesget
Program
Statement
Transaction
Transfer
Account Limits
Stop Pay
Card Limits and Controls
Card Mock

Declined purchase authorization

post

https://sandbox-api.helix.q2.com/card/mock/decline/purchase/authorize

Language

Credentials

Basic

base64

:

URL

Click Try It! to start a request and see the response here!