This API provides key operational metrics for Port Insight at the vessel (line) level.
Data is updated approximately every 15 minutes based on AIS data.
Β Β Authentication
The Port Insight Overview API uses Basic Authorization on Swagger UI.
Authentication Steps
1.
Click the [Authorize] button in the top right corner.
2.
Enter the provided username and password in the pop-up window.
3.
Click [Authorize] again to proceed with authentication.
4.
After successful login, click [Close] to close the window.
All API requests from Swagger UI will automatically include the authorization token.
Request Information
Request URL
Request URL : [GET] https://insight.seavantage.com/api/port-insight/overview/ship-type-sizes
Execution Steps
1.
In the Swagger Documentation, select Port Insight from the Select a definition menu at the top right.
2.
Navigate to the /port-insight/overview/ship-type-sizes endpoint.
3.
Click [Try it out] to activate input fields.
4.
Enter values according to the following request parameters:
β’
portId (required)
β¦
The unique Port ID issued by SeaVantage.
β¦
β’
shipTypeBySizes (required)
β¦
Ship type size list filter (Refer to the ship type size classification table)
β¦
Multiple values supported
5.
Click [Execute].
6.
View results in the response section.
Response Information
The response is returned in the following format, regardless of whether the request is successful or failed.
Sample Response Format
{
"code": 200,
"message": "OK",
"error": false,
"timestamp": "2026-04-03T05:26:17.933656333",
"response": {
"congestionIndex": 5,
"waitingShipCount": 36,
"avgWaitingDays": 2.2,
"workingShipCount": 77,
"avgWorkingDays": 1.8,
"avgIdleTimeHours": 5.2,
"onTheWayShipCount": 453
}
}
JavaScript
볡μ¬
Response Field Descriptions
Top-Level Response Fields
Field | Example Value | Description |
code | 200 | Response status code (used in the same way as standard HTTP status codes).
See the list of codes below for reference. |
message | OK | Response message (description based on status) |
error | false | Error flag
true: error occurred
false: successful processing |
timestamp | 2026-04-03T05:26:17.933656333 | Time of response creation (UTC) |
response | Array or Empty Array | Returns an array if data exists; returns an empty array if no data exists |
Response Codes
Code | Description |
200 | Success |
400 | Bad request |
401 | Unauthorized |
403 | Forbidden |
422 | Unprocessable entity |
429 | Too many requests, standard rate limit of 100 requests per minute exceeded |
Detailed Response Description
Depth 1 Field Description (response object)
Field | Example Value | Description | Data Type |
congestionIndex | 5 | Congestion Index (1β10 scale)
Indicates the current congestion level compared to historical averages.
1β2: Minimal or no delays; very smooth operations
3β4: More efficient than average port operations
5β6: Normal operating conditions; minor waiting possible
7β8: Increased vessel queue or delays in cargo handling
9β10: Significant congestion; port operating near capacity limits | int(can be returned as null) |
waitingShipCount | 36 | Number of vessels currently waiting at the port | int |
avgWaitingDays | 2.2 | Average waiting time (in days) of vessels currently waiting at the port | real |
workingShipCount | 77 | Number of vessels currently engaged in cargo operations | int |
avgWorkingDays | 1.8 | Average working time (in days) of vessels currently operating at the port | real |
avgIdleTimeHours | 5.2 | Average idle time (in hours) of vessels currently idle at the port | real |
onTheWayShipCount | 453 | Number of vessels currently en route to the port | int |
Appendix
Ship Type by Size Classification
Bulk Carrier
Classification Code | Classification | Lower Range (DWT) | Higher Range (DWT) |
BULK 05 | Handysize | 0 | 34,999 |
BULK 04 | Handymax | 35,000 | 59,999 |
BULK 03 | Panamax | 60,000 | 79,999 |
BULK 02 | Capesize | 80,000 | 179,999 |
BULK 01 | VLBC | 180,000 |
Cargo
Classification Code | Classification | Lower Range (DWT) | Higher Range (DWT) |
CARGO 04 | General Cargo | 0 | 2,999 |
CARGO 03 | General Cargo | 3,000 | 7,499 |
CARGO 02 | General Cargo | 7,500 | 37,999 |
CARGO 01 | General Cargo | 38,000 |
Chemical Tanker
Classification | Vessel Type | Classification |
CHEMICAL_TANKER01 | Chemical Tanker | Chemical tanker, combined chemical and oil tanker |
Container
Classification Code | Classification | Lower Range (TEU) | Higher Range (TEU) |
CONTAINER 07 | Small Feeder | 0 | 1,000 |
CONTAINER 06 | Feeder Containership | 1,001 | 2,000 |
CONTAINER 05 | Feedermax Containership | 2,001 | 3,000 |
CONTAINER 04 | Panamax Containership | 3,001 | 5,100 |
CONTAINER 03 | Post-Panamax Containership | 5,101 | 10,000 |
CONTAINER 02 | Neo-Panamax Containership | 10,001 | 14,500 |
CONTAINER 01 | ULCV Containership | 14,501 |
LNG
Classification Code | Classification | Lower Range (Gross Tonnes) | Higher Range (Gross Tonnes) |
LNG 03 | LNG Gas Carrier | 0 | 73,000 |
LNG 02 | LNG Gas Carrier | 73,001 | 147,000 |
LNG 01 | LNG Gas Carrier | 147,001 |
LPG
Classification Code | Classification | Lower Range (Gross Tonnes) | Higher Range (Gross Tonnes) |
LPG 03 | LPG Gas Carrier | 0 | 4,500 |
LPG 02 | LPG Gas Carrier | 4,501 | 26,000 |
LPG 01 | LPG Gas Carrier | 26,001 |
Pure Car Carrier (PCC)
Classification Code | Classification | Lower Range (Gross Tonnes) | Higher Range (Gross Tonnes) |
PCC 03 | PCC/PCTC | 0 | 35,000 |
PCC 02 | PCC/PCTC | 35,001 | 61,000 |
PCC 01 | PCC/PCTC | 61,001 |
Ro-ro
Classification Code | Classification | Lower Range (Gross Tonnes) | Higher Range (Gross Tonnes) |
RORO 03 | Ro-ro Cargo | 0 | 0 |
RORO 02 | Ro-ro Cargo | 8,501 | 48,000 |
RORO 01 | Ro-ro Cargo | 48,001 |
Tanker
Classification Code | Vessel Type | Classification |
TANKER 05 | Crude Oil Tanker | Tanker- Panamax |
TANKER 04 | Crude Oil Tanker | Tanker- Aframax |
TANKER 03 | Crude Oil Tanker | Tanker- Suezmax |
TANKER 02 | Crude Oil Tanker | Tanker- VLCC |
TANKER 01 | Crude Oil Tanker | Tanker- ULCC |
Product Tanker
Classification | Vessel Type |
PRODUCT_TANKER01 | Product Tanker |
Tug
Classification | Vessel Type |
TUG01 | Tug |
FPSO
Classification | Vessel Type | Classification |
FPSO01 | FPSO | Floating drilling production tanker,
floating gas production,
floating gas storage,
floating LNG production and storage FLNG,
floating power station,
floating production tanker,
floating storage tanker |
ETC
Classification | Vessel Type |
ETC01 | ETC All |