The Primary Responsibility of Interface Fields is to Reduce Ambiguity

Market data interfaces do not simply return prices or volumes. For tokenized assets, the product team should first ensure that each result can be pinpointed to the asset version, issuer or contract identifier, trading venue, quote currency, price type, and timestamp. When fields are incomplete, subsequent charts and calculations will amplify ambiguity.

Provide Definitions for Each Metric

"Volume," "market share," "depth," or "open interest" may have different calculation scopes in different markets. API documentation should clarify the observation window for metrics, aggregation methods, what is included or excluded, and when to return null or missing values. This way, users can understand what the results are suitable for describing.

Retain Source and Version Information

Data governance needs to answer: Where did this data come from, when was it fetched, was it aggregated, has the product information been revised? Providing the source, update time, and method links alongside the main fields helps the product team handle disputes, correct errors, and address customer inquiries.

Do Not Wrap Interface Outputs into Conclusions

Interfaces can provide verifiable observations, but should not design data labels as "best," "safe," or "about to rise," etc. The credibility of data products comes from transparency and traceability, rather than making conclusions for users.

Conclusion

To further explore structured data and market information on tokenized assets, please visit RootData: https://www.rootdata.com/tokenized-assets

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