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Many endpoints support the ?expand= query parameter to include additional nested data in the response. This keeps default responses lightweight while giving you access to deeper information on demand.

Usage

Pass a comma-separated list of expansion names:

Available expansions

Expansion details

causal

Adds a causal object with the full CausalDecomposition — 3-7 weighted factors with Bayesian priors, posteriors, evidence, and an aggregation method.

scenarios

Adds a scenarios array with typically 3 scenario assessments:

meta

Adds an meta object with pipeline internals:

scoring (arbitrage only)

Adds individual score components to each arbitrage opportunity:
Weights: spread 40%, liquidity 20%, match confidence 20%, execution 20%.

Default behavior

Without ?expand=, expandable fields are omitted from the response. This keeps payloads small for listing and screening use cases. Request only the expansions you need.