PASAR API

🇨🇭 Datatrans ~ Swiss card & TWINT payment gateway

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Leading Swiss PSP; JSON API uses HTTP Basic (merchantId + password) and needs a Datatrans merchant account.

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# Datatrans ~ Swiss card & TWINT payment gateway needs an access token ~ get yours at:
# https://docs.datatrans.ch/
curl 'https://api.datatrans.com/v1' \
  -H 'Authorization: Bearer YOUR_TOKEN'

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I'm integrating a Switzerland API into my app.

API: Datatrans ~ Swiss card & TWINT payment gateway
Provider: Datatrans AG (SIX)
Auth: requires an access token (sign up: https://docs.datatrans.ch/)
Pricing: paid
Base URL: https://api.datatrans.com/v1
Important note: Leading Swiss PSP; JSON API uses HTTP Basic (merchantId + password) and needs a Datatrans merchant account.

Source: Datatrans AG (SIX) (https://docs.datatrans.ch/)
Source type: Provider API or developer docs
Endpoint type: Provider API base URL
Integration difficulty: Needs token
Last checked: 2026-07-05
Production caveat: Keep credentials server-side and confirm current limits, pricing, and webhook/error behaviour in the provider docs.

Help me set up the correct onboarding/authentication path and make the first valid request ~ explain exactly where credentials go and what must happen before production.

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