Compliance infrastructure, in a few API calls.
Embed tax computation, e-invoicing, bookkeeping and automated filing into your product with TaxStreem's APIs and toolkits. Built for fintechs, neobanks, spend-management tools, compliance providers and merchant platforms.
$ curl https://api.taxstreem.com/v1/compute \
-H "Authorization: Bearer sk_live_…" \
-d '{ "amount": 250000, "type": "vat", "jurisdiction": "NG" }'
→ 200 OK
{
"taxable_amount": 250000,
"vat_rate": 0.075,
"tax_due": 18750,
"currency": "NGN",
"status": "computed"
}Infrastructure you can build on.
API-first
Every module — Numens, Prism, Atlas, Flux, Martina — is available via API.
File without APIs
Flux files even where tax authorities provide no API.
Fast to integrate
Clear docs, SDKs and a sandbox to build against.
Built for scale
Reliable infrastructure designed for high volume.
Secure by default
ISO 27001:2022 certification in progress, GDPR & NDPR compliant.
Jurisdiction-aware
Built for Nigerian tax, designed to extend globally.
Ship compliance features in weeks.
Tax computation
Call Numens to compute accurate, real-time tax for your users.
E-invoicing & AP/AR
Use Prism to issue compliant e-invoices and manage payables/receivables.
Embedded bookkeeping
Give users automatic books with Atlas.
Automated filing
Let users file via Flux — even without government APIs.
In-product assistant
Embed Martina to answer users' tax questions.
Zero to first call, fast.
Create an account & get your API keys
Call your first endpoint in the sandbox — compute tax with Numens
Go live and start serving compliance to your users
Everything you need to integrate.
REST APIs with predictable endpoints, SDKs for popular languages, a sandbox with test data, webhooks for real-time events, and a status page.