What the data for this category looks like
Data sources for securities intelligent due diligence reports include publicly disclosed annual and semi-annual reports from listed companies, exchange temporary announcements, industrial and commercial registration records, third-party credit data, and brokerage research reports. Update cycles fall into two types: fixed intervals and real-time. Regular reports are updated quarterly and annually. Temporary announcements are updated in real time when listed companies publish compliant announcements. Document structures include main qualification information, detailed financial data, compliance records, related party transaction details, and risk reminder modules. Fields include net assets (unit: yuan), operating revenue (unit: yuan), shareholding ratio (unit: %), number of penalties (unit: times), and others. Some data is presented as structured tables.
Constraints on HTTP Interfaces and External System Integration
Securities due diligence report data is multi-source and structurally complex. This creates multiple constraints for HTTP interface and external system integrations. Multi-source data integration requires compatibility with different interface authentication rules, field formats, and return structures. Field mapping logic must be configured. Large data volumes occur when pulling multiple announcements or annual reports in batches. Interfaces must support pagination and breakpoint resume mechanisms to avoid single-request timeouts. Some public securities data sources have strict call frequency limits. Request rate limiting rules must be configured to prevent interface bans. Pulling structured financial data requires support for multi-field combined queries. Interfaces must provide precise parameter filtering capabilities. Under compliance requirements, interface calls must retain complete request logs to support subsequent compliance audits.
Configuration Settings
| Configuration Item | Recommended Setting | Rationale |
|---|---|---|
HTTP_REQUEST_TIMEOUT | 300 seconds | Securities due diligence reports often include multiple annual reports and announcements. Batch pulls generate large data volumes. Standard timeouts cannot complete these requests |
MAX_RESPONSE_BODY_SIZE | 50 MB | Parsed text from a single annual report may exceed standard thresholds. This setting adapts to long document processing |
SIGNATURE_AUTH_TYPE | HMAC-SHA256 | Most securities external data sources require signature verification to secure interfaces and meet regulatory compliance requirements |
FORM_DATA_FILE_MAX_SIZE | 100 MB | If local due diligence working papers are uploaded, securities papers often include scanned documents and table attachments. A larger upload limit is required |
RETRY_TIMES | 2 times | Most public securities data interfaces have temporary rate limits. Retries reduce request failure rates |
REQUEST_RATE_LIMIT | 10 times/minute | Most public securities data interfaces have call frequency limits. This setting matches compliant call rules |
The parameter values provided on this page are common starting points for configuration. Actual values are affected by material format, data volume, and business rules. Specific issues require individual analysis. Testing on local samples is recommended before finalizing settings.
Three Common Misconfigurations
- Issue: HTTP request returns
401 Unauthorizedstatus code. Cause:SIGNATURE_AUTH_TYPEand corresponding secret are not configured correctly. Securities data sources have strict interface authentication requirements. Missing signature configuration or incorrect secret settings cause authentication failures. - Issue: Form-data upload of due diligence working papers in workflows fails with a file size limit exceeded prompt. Cause:
FORM_DATA_FILE_MAX_SIZEconfiguration is not adjusted. Securities working papers often include high-resolution scanned documents. The default limit is insufficient for uploads. - Issue: Uncaught exceptions occur after batch announcement pull requests time out. Cause:
HTTP_REQUEST_TIMEOUTis set too short. Data transfer time for batch pulls of multiple annual reports exceeds the preset threshold. The setting does not match the time requirements of batch requests.
How to Verify Proper Configuration
- Call the specified public securities data source interface. Verify that fields such as
net_assetandoperating_revenuematch the preset mapping rules in format. - Upload a single due diligence working paper under 100 MB. Confirm that the form-data request completes normally without error prompts.
- Send 10 consecutive interface requests. Confirm that
429 Too Many Requestsstatus code is not triggered, and the rate limiting configuration is active. - Send a batch request to pull three annual reports. Confirm that the request completes within 300 seconds without timeout exceptions.
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.