What Data Looks Like for This Category
Data required for financial institutions to carry out coking coal-related marketing and customer acquisition mainly comes from domestic coal trading centers, real-time port monitoring systems, and public reports from industry associations. Data update rhythm falls into two categories: spot trading data is updated daily, and long-term contract cooperation quotes are updated monthly. The structure of each data document is fixed, including fields such as origin identifier, ash/sulfur specification parameters, daily average transaction price, daily transaction volume, total port inventory, and regional transportation benchmark price. The unit of price is yuan/ton, and the units of transaction volume and inventory are ten thousand tons.
Constraints for HTTP Interfaces and External Systems
Daily updated spot trading data requires interfaces to support high-frequency pulling. A reasonable polling interval must be configured to avoid triggering interface rate limits. Multiple specification fields (ash, sulfur) require interface requests to carry corresponding filter parameters, ensuring returned data matches the precise targeting needs of financial institution marketing content. Fixed unit fields require external systems to unify parsing rules during connection, avoiding unit conversion errors. Monthly updated long-term contract quote data does not require high-frequency synchronization, and can be configured as a monthly scheduled pulling task to reduce unnecessary interface calls.
Configuration Settings
| Configuration Item | Recommended Value | Rationale |
|---|---|---|
SYNC_EXTERNAL_DATA_INTERVAL | 15 minutes | Coking coal spot data is updated daily. A 15-minute interval balances real-time performance and interface load, avoiding triggering rate limits from high-frequency requests |
split_mode | paragraph_first | Matches the knowledge base's paragraph-first splitting mode, adapting to the long text paragraph structure of coking coal marketing content |
HTTP_REQUEST_TIMEOUT | 30 seconds | The response duration of coking coal industry data interfaces typically falls within the 10-20 second range. A 30-second timeout setting covers normal response processes |
DATA_UNIT_CONVERSION | Enabled | Coking coal data returns units of yuan/ton and ten thousand tons. Enabling conversion adapts to the unified unit specifications of internal systems |
API_RATE_LIMIT | 80 requests per hour | The basic rate limit threshold for most coal industry public interfaces is 100 requests per hour. Setting 80 requests per hour reserves buffer space |
The parameter values provided on this page are common recommended starting points for configuration. Actual values are affected by material form, data volume, and business rules. Specific issues require case-by-case analysis, and it is recommended to test on your own samples before finalizing settings.
Three Common Misconfigurations
- Calling the v4.9.10 interface to create a text collection for coking coal marketing content returns an error prompt for the parameter. The
split_modeparameter is not correctly passed asparagraph_first, causing the default splitting rule to be incompatible with the long text structure of coking coal. - Frequent 429 status code errors are triggered when synchronizing coking coal spot data. A reasonable
SYNC_EXTERNAL_DATA_INTERVALis not configured, and the polling interval is too short, exceeding the interface rate limit threshold. - Units of price and inventory fields for coking coal data received by external systems are inconsistent. The
DATA_UNIT_CONVERSIONconfiguration is not enabled, and no unified parsing processing is performed for the returned yuan/ton and ten thousand tons units.
How to Verify Configurations Are Correct
- Call the interface to create a text collection, check whether the returned
split_modefield matches the configured value, confirming parameter transfer is correct. - Initiate a synchronization task, check the interface return status code and response content, confirming no rate limit errors are triggered.
- After connecting to the external system, spot check the returned coking coal data fields, confirming units have been unified to the format required by the internal system.
- Check the logs of the scheduled synchronization task, confirming the task executes normally at the interval configured in
SYNC_EXTERNAL_DATA_INTERVAL.
Question material comes from public community discussions. Configuration values are common starting points and should be measured against your own samples. Verified on 2026-09-14.