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Spotlight PEPPOL BIS Billing 3.0 The EU e-invoicing mandate is here — France Sept 2026, Belgium Jan 2026, Germany 2025.

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Foundations

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Standards

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Flagship messages

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Tools

GRDF formats

On this page

GRDF gas France formats.

Definition

GRDF uses: FOI (Fichier des Opérations sur Index) to transmit gas readings, CFRS (Comptes Rendus) for interventions, GRDF Connect REST API to expose consenting customer data. Includes Gazpar (smart gas meter, ~11 million in service). Progressive replacement of fixed files with JSON REST API.

Origin

GRDF created 2008 by GDF Suez spin-off ; Gazpar rollout 2016-2024 ; modern API 2020.

Example in context

TotalEnergies receives monthly FOI from GRDF for its 4 million gas customers ; bills on Gazpar readings.