API archive entry · source-reported
KmalServico Gold Price Dataset
Current gold price per gram at 6 purities for 188 countries, JSON, no auth
Other Finance APIs
These records share a directory category and are ordered by similarity of reported access facts. They are a shortlist, not proof of drop-in compatibility.
VoxOdds
Polymarket and Kalshi odds, all-in executable quotes, EV checks and audited forecast scores
No auth · HTTPS reported · CORS No
Binlist
Public access to a database of IIN/BIN information
No auth · HTTPS reported · CORS Unknown
Econdb
Global macroeconomic data
No auth · HTTPS reported · CORS Yes
EstimateTax
US federal, state and local income tax calculation for 2026, with the source of every figure
No auth · HTTPS reported · CORS Yes
Fed Treasury
U.S. Department of the Treasury Data
No auth · HTTPS reported · CORS Unknown
Futures Clock
Trading hours and session windows for 65 futures products on 16 global exchanges
No auth · HTTPS reported · CORS Yes
How to compare them
Coverage
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Operating cost
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Integration risk
Test auth, errors, pagination, latency, versioning, and outage behavior.
Data rights
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Source reference
This page separates source-reported facts from questions that need live provider verification.