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Running Hundreds of API Calls to Pull NAV History, One Scheme Per Call? Batch 50 Into One.
Top•MFPRO - Mutual Fund Analytics•MF File Converter•DUCKIT - CSV to DuckDB

Running Hundreds of API Calls to Pull NAV History, One Scheme Per Call? Batch 50 Into One.

Published: August 25, 2026

Related toolsMFPRO - Mutual Fund Analytics•MF File Converter•DUCKIT - CSV to DuckDB

Running hundreds of API calls to pull NAV history, one scheme per call?

You can batch 50 schemes into a single call, which turns two hundred funds into four calls, and if you want everything there is a single download of the full database, April 2006 onward. Same data, far less waiting.

Guide here: Pulling more, calling less

Why am I getting an error, why is there no SIF NAV, why does the AUM look wrong. tigzig.com/post/mf-nav-api-faq-aug2026

A plain guide to what each error actually means, across all three APIs. tigzig.com/post/tigzig-api-errors-practical-guide-jul2026

What the fields mean and how it is pulled. The data dictionary, every field with its caveats: tigzig.com/mfpro ➜ Docs

Every scheme and its latest NAV, one small file. tigzig.com/post/mfpro-scheme-master-download-aug2026

A checker that tells you whether the ISIN is wrong or the data is simply absent. isin.tigzig.com

SIF data. sif.tigzig.com

The tool itself is at tigzig.com/mfpro, and the API docs at tigzig.com/apis/mf-nav

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