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Tracing & Correlation

Headers that let one call be followed across many systems — request ids, correlation ids, trace context.

12 headers, ordered by how many providers in the catalog declare them.

x-fapi-interaction-id 156 providers regulated 3 spellings

One correlation header, mandated in three jurisdictions by three different laws, because all three point at FAPI.

X-Request-Id 68 providers 3 spellings

The header a support ticket needs. Sixty-eight providers, no standard, five spellings of its nearest sibling.

id 28 providers 2 spellings

The id HTTP header — tracing & correlation, declared by 28 providers in the API Evangelist catalog.

Traceparent 6 providers 3 spellings

The Traceparent HTTP header — tracing & correlation, declared by 6 providers in the API Evangelist catalog.

Tracestate 2 providers 3 spellings

The Tracestate HTTP header — tracing & correlation, declared by 2 providers in the API Evangelist catalog.

Server-Timing

The Server-Timing HTTP header — tracing & correlation, not observed in the catalog.

CMSD-Static

The CMSD-Static HTTP header — tracing & correlation, not observed in the catalog.

CMSD-Dynamic

The CMSD-Dynamic HTTP header — tracing & correlation, not observed in the catalog.

CMCD-Status

The CMCD-Status HTTP header — tracing & correlation, not observed in the catalog.

CMCD-Session

The CMCD-Session HTTP header — tracing & correlation, not observed in the catalog.

CMCD-Request

The CMCD-Request HTTP header — tracing & correlation, not observed in the catalog.

CMCD-Object

The CMCD-Object HTTP header — tracing & correlation, not observed in the catalog.