Card APIs
Overview
The Hello Clever Card APIs provide a secure and developer-friendly way to accept and manage card payments. These APIs support the full lifecycle of a card transaction — from initial payment creation to final capture or refund — with flexibility for modern e-commerce platforms. Whether you're building a custom checkout, processing post-purchase upsells, or handling disputes and refunds, the Card APIs give you complete control over the payment experience.
Authentication
- API Key: app-id
- API Key: secret-key
- API Key: access-token
- API Key: api-key
The app-id is registered and secured inside Hello Clever system and only required when client has initiated or in the middle of the transaction.
Security Scheme Type: | apiKey |
|---|---|
Header parameter name: | app-id |
The secret-key is our client's secret of the source. Required if a publishable key is used to retrieve the source.
Security Scheme Type: | apiKey |
|---|---|
Header parameter name: | secret-key |
The access-token is our client's access of the source Payment Gateway. Generate from app-id and secret-key.
Security Scheme Type: | apiKey |
|---|---|
Header parameter name: | access-token |
The api-key is our client's access of the source Hello Clever API version 2. Generate from your merchant dashboard.
Security Scheme Type: | apiKey |
|---|---|
Header parameter name: | api-key |
Contact
Terms of Service
https://helloclever.co/terms