ZV-2026-1847 · 2026-10-05 · api.epsilon.exchange

api.epsilon.exchange: Tool get_market_overview was removed.

breaking

What changed

Tool get_market_overview was removed. Tool market_stats was removed. Tool token_volume was removed. Tool order_preflight was renamed to check_order. Tool error_catalog was renamed to get_error_catalog. Tool get_order_status was renamed to get_order. Tool recent_swaps was renamed to list_fills.

What to do

If your agents call api.epsilon.exchange, pin the new snapshot, patch the affected call sites, and let a green contract check confirm the fix. If you don't use the changed tools, nothing is required, but the rest of the ecosystem just learned about it at the same moment you did.

The redline

−  get_market_overview  Tool get_market_overview was removed.
−  market_stats  Tool market_stats was removed.
−  token_volume  Tool token_volume was removed.
−  order_preflight
+  check_order   order_preflight
−  error_catalog
+  get_error_catalog   error_catalog
−  get_order_status
+  get_order   get_order_status
−  recent_swaps
+  list_fills   recent_swaps
−  Machine-readable catalog of every error code the Epsilon API returns, with meanings and re…
+  Machine-readable catalog of every error code the Epsilon API returns, with meanings and re…   error_catalog
−  Look up an Epsilon order by hash: status (pending/active/filled/cancelled), parameters, an…
+  One Epsilon order by hash: status (pending/active/filled/cancelled/expired), parameters, a…   get_order_status
−  Open (pending/active) limit orders on both sides of a token pair, largest first.
+  The market's open (pending/active) limit orders on both sides of a token pair, largest fir…   get_orderbook
−  Best executable quote for swapping tokenIn → tokenOut on Epsilon (Robinhood Chain, id 4663…
+  Best executable quote for swapping tokenIn → tokenOut on Epsilon (Robinhood Chain, id 4663…   get_quote
−  Full routing breakdown for a swap: best venue split, expected and minimum output, price im…
+  Full routing breakdown for a swap: best venue split, expected and minimum output, price im…   get_route
−  List Epsilon orders by maker wallet, status, and/or type — the portfolio view. Newest firs…
+  A wallet's Epsilon orders filtered by status and/or type — the portfolio view, newest firs…   list_orders
−  Check whether a limit/DCA order for this pair and size would be executable: oracle support…
+  Check whether a resting order (limit, stop, DCA, trailing) for this pair and size would be…   order_preflight
−  Most recent swaps executed through Epsilon, optionally filtered to one wallet. Amounts are…
+  Executed trades (swaps and order fills) on Epsilon, newest first, optionally for one walle…   recent_swaps
+  get_market_stats  Tool get_market_stats was added.
Full api.epsilon.exchange changelog →JSON feedWatch this for my agents