Deterministic Amazon FBA unit economics calculator. Pass ?price_usd=29.99&cogs_u...
https://x402-niche-briefs.fly.dev/v1/fba-fee-margin-calcOverview
Deterministic Amazon FBA unit economics calculator. Pass ?price_usd=29.99&cogs_usd=6.50&weight_oz=12&referral_pct=15. Returns size tier, referral fee, estimated FBA fulfillment + storage fee, net pre-ad contribution ($ and %), breakeven ACOS %, breakeven ROAS, and target ACOS for a 15% net margin.
Protocol
x402
Price
$0.01
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
x402-niche-briefs
Source
bazaar
Indexed
2026-10-26 07:22:43
Health
Status
healthy
Latency (p50)
542ms
Uptime (30d)
98.0%
Reliability Score
86/100
Last Checked
2026-10-30 03:26:05
Last Healthy
2026-10-30 03:26:05
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"cogs_usd": "6.50",
"price_usd": "29.99",
"referral_pct": "15",
"weight_oz": "12"
},
"type": "http"
}
Output Schema
{
"example": {
"as_of": "2026-10-25",
"disclaimer": "Educational reference and automated checklist only; not legal advice.",
"estimated_size_tier": "Small Standard (8-12 oz)",
"fee_breakdown_usd": {
"est_storage_and_inbound_placement_usd": 0.21,
"fba_fulfillment_fee_usd": 3.44,
"referral_fee_usd": 4.5,
"total_amazon_fees_usd": 8.15
},
"inputs": {
"cogs_usd": 6.5,
"price_usd": 29.99,
"referral_pct": 15,
"weight_oz": 12
},
"unit_economics": {
"breakeven_acos_pct": 51.15,
"breakeven_roas": 1.96,
"health_verdict": "strong_unit_economics",
"net_pre_ad_contribution_usd": 15.34,
"net_pre_ad_margin_pct": 51.15,
"target_acos_for_15pct_net_profit": 36.15
}
},
"type": "json"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-30 03:26:05 | healthy | 402 | 542ms | |
| 2026-10-30 02:14:59 | healthy | 402 | 1191ms | |
| 2026-10-30 01:17:01 | healthy | 402 | 298ms | |
| 2026-10-30 00:14:57 | healthy | 402 | 402ms | |
| 2026-10-29 23:12:21 | healthy | 402 | 341ms | |
| 2026-10-29 22:13:47 | healthy | 402 | 1036ms | |
| 2026-10-29 21:11:18 | healthy | 402 | 361ms | |
| 2026-10-29 20:10:04 | healthy | 402 | 1312ms | |
| 2026-10-29 19:14:54 | healthy | 402 | 998ms | |
| 2026-10-29 18:12:11 | healthy | 402 | 588ms | |
| 2026-10-29 17:16:46 | healthy | 402 | 1023ms | |
| 2026-10-29 16:11:20 | healthy | 402 | 484ms | |
| 2026-10-29 15:10:00 | healthy | 402 | 240ms | |
| 2026-10-29 14:15:44 | healthy | 402 | 341ms | |
| 2026-10-29 13:16:28 | healthy | 402 | 433ms | |
| 2026-10-29 12:09:36 | healthy | 402 | 552ms | |
| 2026-10-29 11:16:31 | healthy | 402 | 1107ms | |
| 2026-10-29 10:15:34 | healthy | 402 | 1199ms | |
| 2026-10-29 09:11:07 | healthy | 402 | 395ms | |
| 2026-10-29 08:14:45 | healthy | 402 | 521ms |