RoutineMetric Developer API
Enterprise-grade financial, tax, and accounting microservices for fintech and payroll platforms. Embed sub-millisecond calculation engines for Section 174 amortization, ASC 842 lease schedules, multi-state PFML payroll contributions, and SOX materiality thresholds directly into your applications.
Bearer demo-sandbox-2026• 50 free requests/month with no card requiredRapidAPI Marketplace Tiers
Instant key provisioning via RapidAPI Gateway. Zero sales qualification meetings required.
Ideal for testing endpoints, building prototypes, and running local developer sandbox suites.
- 50 requests / month
- All 4 calculation microservices
- Interactive playground access
- Public key authentication
Ideal for tax bots, accounting advisory practices, and SMB client onboarding portals.
- 2,500 requests / month
- $0.015 / extra request
- RapidAPI Proxy authentication
- 99.5% uptime SLA
Recommended for fintech SaaS platforms, payroll engines, and high-growth tax preparation software.
- 15,000 requests / month
- $0.008 / extra request
- 99.9% uptime SLA guarantee
- Priority gateway queueing
For enterprise ERP integrations, high-volume payroll providers, and corporate audit teams.
- 50,000 requests / month
- $0.005 / extra request
- 99.99% high-availability SLA
- Direct engineering Slack support
Test Microservices in Real-Time
Execute real HTTP requests against RoutineMetric's live v1 endpoints using the sandbox test key.
/api/v1/tax/section-174Calculates IRC Section 174 domestic (5-year) vs foreign (15-year) R&D capitalization under the required half-year convention, computing year-1 deduction, balance sheet asset basis, and taxable income impact.
Request Payload (JSON)
taxYearTax filing year under examination
domesticRdExpensesQualified domestic research spending (5-yr amortization)
foreignRdExpensesForeign research spending (15-yr amortization)
corporateTaxRateDefault 0.21 (21% Federal Statutory Rate)
Ready to test. Click “Run Live Test” to send a request.
Endpoint: /api/v1/tax/section-174
Copy-and-Paste Snippets
Copyable code templates updated in real time with the active parameters from the playground above.
curl -X POST "https://routinemetric.com/api/v1/tax/section-174" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer demo-sandbox-2026" \
-d '{"taxYear":2026,"domesticRdExpenses":500000,"foreignRdExpenses":100000,"corporateTaxRate":0.21}'Engineered for High-Reliability Fintech Workloads
RoutineMetric microservices are strictly functional, mathematical transformations. We do not store financial records, write to databases, or retain client payroll figures.
Sub-5ms Execution Latency
Pure in-memory execution engines hosted in Google Cloud Run serverless containers with global low-latency edge routing.
Zero PII & Data Privacy
No database persistance. Calculate executive compensation, confidential lease agreements, and employee salaries with zero compliance exposure.
Strict Zod Type Validation
Every endpoint validates incoming payloads against rigid schemas, returning clear actionable error messages for rapid debugging.
Ready to automate compliance in your codebase?
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