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US federal income tax calculator - brackets, deductions, child tax credit, margi...

https://saylorinnovations.com/api/ustax/income

Overview

US federal income tax calculator - brackets, deductions, child tax credit, marginal and effective rate, room to next bracket

Protocol x402
Price $0.01
Payment Asset USD Coin
Payment Network eip155:8453
Category uncategorized
Provider Saylor Innovations US Federal I
Source bazaar
Indexed 2026-10-26 12:21:46

Health

Status healthy
Latency (p50) 297ms
Uptime (30d) 100.0%
Reliability Score 90/100
Last Checked 2026-10-28 15:24:04
Last Healthy 2026-10-28 15:24:04
Consecutive Failures 0

x402 Payment Validation

Payment Requirements Valid
Asset Verified Known USDC
Facilitator —

Input Schema

{ "method": "GET", "queryParams": { "filing_status": "single", "gross_income": "100000", "qualifying_children": "0", "tax_year": "2026" }, "type": "http" }

Output Schema

{ "example": { "federal_income_tax": 13170, "filing_status": "single", "gross_income": 100000, "marginal_rate": 0.22, "next_bracket": { "income_until_next_bracket": 21800, "rate": 0.24, "starts_at": 105700 }, "tax_year": 2026, "taxable_income": 83900 }, "type": "json" }

Recent Health Checks

Time Status HTTP Latency Error
2026-10-28 15:24:04 healthy 402 4563ms
2026-10-28 14:18:33 healthy 402 666ms
2026-10-28 06:58:17 healthy 402 381ms
2026-10-28 05:36:46 healthy 402 202ms
2026-10-28 04:38:36 healthy 402 210ms
2026-10-28 03:45:10 healthy 402 241ms
2026-10-28 02:44:40 healthy 402 275ms
2026-10-28 01:40:40 healthy 402 297ms
2026-10-28 00:34:43 healthy 402 233ms
2026-10-27 23:38:25 healthy 402 341ms
2026-10-27 22:51:32 healthy 402 367ms
2026-10-27 21:41:27 healthy 402 175ms
2026-10-27 20:26:17 healthy 402 500ms
2026-10-27 19:20:56 healthy 402 232ms