curl -X POST https://win.oneshotagent.com/v1/tools/lookup/market-freight-index \
-H "Content-Type: application/json" \
-H "payment-signature: <base64 x402 payment>" \
-d '{
"months": 1
}'
const response = await fetch("https://win.oneshotagent.com/v1/tools/lookup/market-freight-index", {
method: "POST",
headers: {
"Content-Type": "application/json",
"payment-signature": paymentProof,
},
body: JSON.stringify({
"months": 1
}),
});
const result = await agent.tool('lookup/market-freight-index', {
months: 1
});
console.log(result.result);
console.log(result.evidence);
{
"success": true,
"data": {
"request_id": "uuid",
"receipt_id": "rcpt_...",
"status": "completed",
"tool": "market_freight_index",
"result": {
"months": [
{
"month": "2026-08",
"freight_index": 134.4,
"freight_index_change_pct": -0.4,
"truck_tonnage_index": 112.8,
"rail_carloads": 990805,
"rail_intermodal_units": 1244306,
"air_freight_ton_miles": null,
"waterborne_tons_millions": 30,
"pipeline_petroleum": null,
"pipeline_natural_gas": 2854.7
}
]
},
"evidence": {
"source": "US Bureau of Transportation Statistics",
"source_kind": "public",
"retrieved_at": "2026-10-24T00:00:00.000Z",
"calls": [
{
"retrieved_at": "2026-10-24T00:00:00.000Z"
}
],
"as_of": "2026-08-01"
}
}
}
Products & vehicles
Freight Index
Look up monthly US freight volume and its seasonally adjusted mode components.
POST
/
v1
/
tools
/
lookup
/
market-freight-index
curl -X POST https://win.oneshotagent.com/v1/tools/lookup/market-freight-index \
-H "Content-Type: application/json" \
-H "payment-signature: <base64 x402 payment>" \
-d '{
"months": 1
}'
const response = await fetch("https://win.oneshotagent.com/v1/tools/lookup/market-freight-index", {
method: "POST",
headers: {
"Content-Type": "application/json",
"payment-signature": paymentProof,
},
body: JSON.stringify({
"months": 1
}),
});
const result = await agent.tool('lookup/market-freight-index', {
months: 1
});
console.log(result.result);
console.log(result.evidence);
{
"success": true,
"data": {
"request_id": "uuid",
"receipt_id": "rcpt_...",
"status": "completed",
"tool": "market_freight_index",
"result": {
"months": [
{
"month": "2026-08",
"freight_index": 134.4,
"freight_index_change_pct": -0.4,
"truck_tonnage_index": 112.8,
"rail_carloads": 990805,
"rail_intermodal_units": 1244306,
"air_freight_ton_miles": null,
"waterborne_tons_millions": 30,
"pipeline_petroleum": null,
"pipeline_natural_gas": 2854.7
}
]
},
"evidence": {
"source": "US Bureau of Transportation Statistics",
"source_kind": "public",
"retrieved_at": "2026-10-24T00:00:00.000Z",
"calls": [
{
"retrieved_at": "2026-10-24T00:00:00.000Z"
}
],
"as_of": "2026-08-01"
}
}
}
Returns the Freight Transportation Services Index of the US Bureau of Transportation Statistics by month, newest first, with seasonally adjusted truck, rail, air, water and pipeline components. It measures volume, not prices, with 2000 = 100. The series refreshes monthly about six weeks after the month, and recent months are revised.
Authentication
Requires x402 payment in thepayment-signature header.
Request Body
integer
Maximum number of most recent months with a freight index, 1 to 60. From 1 to 60. Defaults to
12.string
Include months from YYYY-MM onward; cannot be later than the current UTC month. YYYY-MM.
Response (200 OK)
Top-level envelope:success (boolean) and data (object). All fields below are nested under data.
string
Durable job ID for audit and lookup
string
Job status:
completedstring
Always
market_freight_indexobject
The answer, described under Result below
object
Where the answer came from and when
string
The public body the data comes from. Always
US Bureau of Transportation Statistics.string
public when the data comes from a public body, commercial otherwisestring
When the lookup was made, as an ISO 8601 UTC time
string
When the source says the fact was last updated, or
null when the source gives no dateResult
Nested underdata.result.
object[]
Most recent months with a freight index, newest first.
string
Observation month, YYYY-MM.
number
Seasonally adjusted Freight Transportation Services Index, average 2000 = 100.
number
Percent change in the freight index from the previous month.
number
Seasonally adjusted truck tonnage index, 2015 = 100.
null when the source gives no value.number
Seasonally adjusted rail freight carloads, number of carloads.
null when the source gives no value.number
Seasonally adjusted rail intermodal traffic, number of containers and trailers.
null when the source gives no value.number
Seasonally adjusted air revenue freight and mail, ton miles as reported by BTS.
null when the source gives no value.number
Seasonally adjusted internal US waterway tonnage, millions of short tons.
null when the source gives no value.number
Seasonally adjusted petroleum pipeline movement, thousands of barrels.
null when the source gives no value.number
Seasonally adjusted natural gas consumption, billion cubic feet.
null when the source gives no value.curl -X POST https://win.oneshotagent.com/v1/tools/lookup/market-freight-index \
-H "Content-Type: application/json" \
-H "payment-signature: <base64 x402 payment>" \
-d '{
"months": 1
}'
const response = await fetch("https://win.oneshotagent.com/v1/tools/lookup/market-freight-index", {
method: "POST",
headers: {
"Content-Type": "application/json",
"payment-signature": paymentProof,
},
body: JSON.stringify({
"months": 1
}),
});
const result = await agent.tool('lookup/market-freight-index', {
months: 1
});
console.log(result.result);
console.log(result.evidence);
{
"success": true,
"data": {
"request_id": "uuid",
"receipt_id": "rcpt_...",
"status": "completed",
"tool": "market_freight_index",
"result": {
"months": [
{
"month": "2026-08",
"freight_index": 134.4,
"freight_index_change_pct": -0.4,
"truck_tonnage_index": 112.8,
"rail_carloads": 990805,
"rail_intermodal_units": 1244306,
"air_freight_ton_miles": null,
"waterborne_tons_millions": 30,
"pipeline_petroleum": null,
"pipeline_natural_gas": 2854.7
}
]
},
"evidence": {
"source": "US Bureau of Transportation Statistics",
"source_kind": "public",
"retrieved_at": "2026-10-24T00:00:00.000Z",
"calls": [
{
"retrieved_at": "2026-10-24T00:00:00.000Z"
}
],
"as_of": "2026-08-01"
}
}
}
See Pricing for this tool’s price. A wallet (x402) call receives it in the 402 quote before anything is charged; a call paid from prepaid credits is charged when the API accepts the request and answers
200.Notes
start_monthreturns the months from that month onward.- Missing modes are null. Each row carries its observation month.
- No matching months returns an empty list.
- Results return inline. The finished job stays available at
/v1/requests/{request_id}