Provenance Annex — AF-MACRO
Generated 2026-08-30. The sources below are the license_class values present in this SKU's gold export; each is licensed for the stated use.
| Source | License / basis | Conditions honored | Access |
|---|---|---|---|
| S013 — World Bank Open Data | CC BY 4.0 (open data, incl. commercial use) | Attribution to World Bank; indicator values only (public statistics, no natural persons) | REST API (no key) |
| S014 — ECB euro FX reference rates (via Frankfurter API) | ECB reuse policy: reference rates may be reused free of charge with acknowledgement (see docs/licenses/S014/) | Attribute the ECB; reference rates are indicative daily snapshots (~16:00 CET), NOT executable fixings — state this to buyers; no natural persons | REST API (no key), Frankfurter serves ECB data |
Attribution
This product contains data derived from the sources above under their stated licenses; attribution is provided per each source's conditions. No natural-person data is included (hard rule #1). Every gold record carries license_class, observed_at, and a source reference, so any source can be surgically removed if its terms change.