PASAR API

🇲🇽 Satws ~ SAT fiscal data & CFDI retrieval API

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Pulls a taxpayer's own fiscal data from the SAT with their credentials; now branded Syntage.

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# Satws ~ SAT fiscal data & CFDI retrieval API needs an API key.
# No single public base URL ~ start from the docs:
# https://sat.ws/docs/api/

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I'm integrating a Mexico API into my app.

API: Satws ~ SAT fiscal data & CFDI retrieval API
Provider: Satws (Syntage)
Auth: requires an API key (sign up: https://sat.ws/docs/api/)
Pricing: paid
Important note: Pulls a taxpayer's own fiscal data from the SAT with their credentials; now branded Syntage.

Source: Satws (Syntage) (https://sat.ws/docs/api/)
Source type: Provider API or developer docs
Endpoint type: Docs-first integration
Integration difficulty: Regulated setup
Last checked: 2026-07-05
Production caveat: Onboarding, approvals, sandbox/preprod, or compliance steps may be required before production.

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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