US CBP Section 321 ($800 de minimis) eligibility & 2025/2026 China/Section 301 e
US CBP Section 321 ($800 de minimis) eligibility & 2025/2026 China/Section 301 exclusion evaluator. Pass ?shipment_value_usd=180&origin=CN&subject_to_301=true. Returns Section 321 eligibility, recommended CBP Entry Type (Type 86 vs Type 11 Informal vs Type 01 Formal), anti-structuring rules, and bond/MPF checklist. Educational reference only; not legal advice.
Answeringour last check, 2026-10-26
1 of 1checks answered this week
181 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://x402-niche-briefs.fly.dev/v1/de-minimis-321-eligibility
| Category | Everything else |
|---|---|
| Provider host | x402-niche-briefs.fly.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-26 | valid payment request | 402 | $0.01 | 181 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"origin": "CN",
"shipment_value_usd": "180",
"subject_to_301": "true"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"origin": {
"description": "Country of origin ISO code (e.g. CN, VN,CA)",
"type": "string"
},
"shipment_value_usd": {
"description": "Shipment aggregate fair retail value in USD",
"type": "string"
},
"subject_to_301": {
"description": "Whether the HTS classification is subject to Section 301/232/201 tariffs",
"enum": [
"true",
"false"
],
"type": "string"
}
},
"required": [
"shipment_value_usd",
"origin",
"subject_to_301"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"as_of": {
"type": "string"
},
"disclaimer": {
"type": "string"
},
"enforcement_notes_2025_2026": {
"items": {
"type": "string"
},
"type": "array"
},
"fallback_entry_checklist": {
"items": {
"type": "string"
},
"type": "array"
},
"inputs": {
"properties": {
"origin": {
"type": "string"
},
"shipment_value_usd": {
"type": "number"
},
"subject_to_301": {
"type": "boolean"
}
},
"required": [
"shipment_value_usd",
"origin",
"subject_to_301"
],
"type": "object"
},
"recommended_entry_type": {
"type": "string"
},
"section_321_eligible": {
"type": "boolean"
}
},
"required": [
"as_of",
"inputs",
"section_321_eligible",
"recommended_entry_type",
"enforcement_notes_2025_2026",
"fallback_entry_checklist",
"disclaimer"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}