PASAR API

🇨🇦 Helcim ~ payments, invoicing & customer API

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Calgary-based processor with a clean RESTful API for card and ACH payments, customers, invoices and payment-hardware bridging, with no contracts or monthly API fees.

View docs ↗ More Payments APIs

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# Helcim ~ payments, invoicing & customer API needs an API key ~ get yours at:
# https://devdocs.helcim.com/docs/overview-of-helcim-api
curl 'https://api.helcim.com/v2' \
  -H 'Authorization: Bearer YOUR_TOKEN'

AI prompt

I'm integrating a Canada API into my app.

API: Helcim ~ payments, invoicing & customer API
Provider: Helcim
Auth: requires an API key (sign up: https://devdocs.helcim.com/docs/overview-of-helcim-api)
Pricing: paid
Base URL: https://api.helcim.com/v2
Important note: Calgary-based processor with a clean RESTful API for card and ACH payments, customers, invoices and payment-hardware bridging, with no contracts or monthly API fees.

Source: Helcim (https://devdocs.helcim.com/docs/overview-of-helcim-api)
Source type: Provider API or developer docs
Endpoint type: Provider API base URL
Integration difficulty: Needs API key
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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