VeloraDEX · andriy-shymkiv · Aug 10, 2026
diff --git a/api-reference/rfq/overview.mdx b/api-reference/rfq/overview.mdx
@@ -47,7 +47,7 @@ An OTC trade on Velora is a deal between two parties who already know each other
 | `GET` | [`/ft/p2p/{chainId}/taker/{address}`](/api-reference/rfq/orders-list-taker) | List orders addressed to a taker |
 | `GET` | [`/ft/fillablebalance/{chainId}/{address}`](/api-reference/rfq/fillable-balance) | Maker's fillable balance for order sizing, optionally scoped to a token |
 
-Everything lives under `https://api.velora.xyz`. Filling and cancelling are on-chain calls to AugustusRFQ, not REST endpoints (see [Filling an order](#filling-an-order) and [Cancelling an order](#cancelling-an-order)). AugustusRFQ is deployed on Ethereum, Arbitrum, Avalanche, Base, BSC, Gnosis, Optimism, and Polygon; see [Chains & contracts](/resources/chains-and-contracts) for per-chain addresses and availability.
+Everything lives under `https://api.velora.xyz`. Filling and cancelling are on-chain calls to AugustusRFQ, not REST endpoints (see [Filling an order](#filling-an-order) and [Cancelling an order](#cancelling-an-order)). AugustusRFQ is deployed on Ethereum, Arbitrum, Avalanche, Base, BSC, Gnosis, Optimism, Polygon, and Unichain; see [Chains & contracts](/resources/chains-and-contracts) for per-chain addresses and availability.
 
 ## Filling an order
 

diff --git a/api-reference/specs/delta-v2.json b/api-reference/specs/delta-v2.json
@@ -23,7 +23,7 @@
               "type": "integer",
               "example": 1
             },
-            "description": "Source chain ID. Supported: 1, 10, 56, 100, 130, 137, 8453, 42161, 43114."
+            "description": "Source chain ID. Supported: 1, 10, 56, 100, 130, 137, 4663, 8453, 42161, 43114."
           },
           {
             "name": "srcToken",
@@ -271,7 +271,7 @@
         "description": "Returns a recommended `route` plus `alternatives` (up to a few bridge options for crosschain). Pass the returned `route` and `side` verbatim to `POST /v2/delta/orders/build`.",
         "operationId": "deltaV2Prices",
         "parameters": [
-          { "name": "chainId", "in": "query", "required": true, "schema": { "type": "integer", "example": 1 }, "description": "Source chain ID. Supported: 1, 10, 56, 100, 130, 137, 8453, 42161, 43114." },
+          { "name": "chainId", "in": "query", "required": true, "schema": { "type": "integer", "example": 1 }, "description": "Source chain ID. Supported: 1, 10, 56, 100, 130, 137, 4663, 8453, 42161, 43114." },
           { "name": "srcToken", "in": "query", "required": true, "schema": { "type": "string", "example": "0x6B175474E89094C44Da98b954EedeAC495271d0F" } },
           { "name": "destToken", "in": "query", "required": true, "schema": { "type": "string", "example": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48" }, "description": "Destination token. For crosschain quotes, the destination token on `destChainId`." },
           { "name": "amount", "in": "query", "required": true, "schema": { "type": "string", "example": "1000000000000000000" }, "description": "Source amount (SELL) or destination amount (BUY), in raw token units." },

diff --git a/api-reference/specs/rfq.json b/api-reference/specs/rfq.json
@@ -169,7 +169,7 @@
       },
       "ChainId": {
         "type": "integer",
-        "description": "EVM chain ID. AugustusRFQ is deployed on 1 (Mainnet), 10 (Optimism), 56 (BSC), 137 (Polygon), 8453 (Base), 42161 (Arbitrum), 43114 (Avalanche), and 100 (Gnosis). See /resources/chains-and-contracts for per-chain addresses.",
+        "description": "EVM chain ID. AugustusRFQ is deployed on 1 (Mainnet), 10 (Optimism), 56 (BSC), 100 (Gnosis), 130 (Unichain), 137 (Polygon), 8453 (Base), 42161 (Arbitrum), and 43114 (Avalanche). See /resources/chains-and-contracts for per-chain addresses.",
         "example": 1
       },
       "TokenAmount": {

diff --git a/delta/how-it-works.mdx b/delta/how-it-works.mdx
@@ -74,7 +74,7 @@ You `POST /v2/delta/orders` with `order` (the `toSign.value`), the `signature`,
 
 ### 5. Settle
 
-The protocol settlement layer calls `settle(...)` on the Delta contract (`0x0000000000bbF5c5Fd284e657F01Bd000933C96D`, same address on every supported chain) with the signed order and the winning solver's fill calldata. The contract verifies the signature, pulls `srcToken` from the user via the approved spender (the Delta contract itself), runs the fill, and delivers `destToken` to the user. If settlement fails, nothing is pulled from the user. You track progress via `GET /v2/delta/orders/{orderId}` until the order reaches a terminal status (`COMPLETED`, `EXPIRED`, `FAILED`, `CANCELLED`, or `REFUNDED`). Crosschain orders can report `REFUNDING` before `REFUNDED` while Velora verifies the bridge refund transaction.
+The protocol settlement layer calls `settle(...)` on the Delta contract (`0x0000000000bbF5c5Fd284e657F01Bd000933C96D`, same address on every Delta-enabled chain) with the signed order and the winning solver's fill calldata. The contract verifies the signature, pulls `srcToken` from the user via the approved spender (the Delta contract itself), runs the fill, and delivers `destToken` to the user. If settlement fails, nothing is pulled from the user. You track progress via `GET /v2/delta/orders/{orderId}` until the order reaches a terminal status (`COMPLETED`, `EXPIRED`, `FAILED`, `CANCELLED`, or `REFUNDED`). Crosschain orders can report `REFUNDING` before `REFUNDED` while Velora verifies the bridge refund transaction.
 
 ## Why this design
 

diff --git a/for-agents/mcp-server/available-tools.mdx b/for-agents/mcp-server/available-tools.mdx
@@ -251,7 +251,7 @@ Checks include: a `network` key anywhere in the plan (must be `chainId`), MEV in
 
 List the EVM chains Velora supports. No parameters.
 
-Returns `result.raw.chains` as `{ chainId, name }` pairs with `source: "server-known"`: Ethereum (1), Optimism (10), BNB Chain (56), Gnosis (100), Unichain (130), Polygon (137), Sonic (146), Base (8453), Arbitrum (42161), Avalanche (43114).
+Returns `result.raw.chains` as `{ chainId, name }` pairs with `source: "server-known"`: Ethereum (1), Optimism (10), BNB Chain (56), Gnosis (100), Unichain (130), Polygon (137), Robinhood Chain (4663), Base (8453), Arbitrum (42161), Avalanche (43114).
 
 This is a server-known list, not a live API response, and may lag actual support. Confirm a specific chain with `velora_get_tokens`; do not assume every EVM chain is supported.
 

diff --git a/for-agents/token-approvals.mdx b/for-agents/token-approvals.mdx
@@ -23,7 +23,7 @@ If the user's source token is the chain's native asset, there is no approval ste
 | Market Swap | **Augustus v6.2** |
 | AugustusRFQ (OTC/RFQ) | **AugustusRFQ** contract on the target chain |
 
-Deployed addresses for each spender, per chain: [Chains & contracts → Addresses by chain](/resources/chains-and-contracts#addresses-by-chain). Delta and AugustusRFQ are not deployed everywhere; code should read availability at runtime via [`/resources/contracts.json`](/resources/contracts.json) keyed by `chainId`.
+Deployed addresses for each spender, per chain: [Chains & contracts → Addresses by chain](/resources/chains-and-contracts#addresses-by-chain). Delta, Augustus v6.2, and AugustusRFQ are each missing on some chains; code should read availability at runtime via [`/resources/contracts.json`](/resources/contracts.json) keyed by `chainId`.
 
 <Warning>
   Spenders are mode-specific and **never interchangeable**. An approval to Augustus does not authorize a Delta order. An approval to the Delta contract does not authorize a Market swap. Re-quoting under a different mode changes the spender; re-check the allowance before signing.

diff --git a/resources/chains-and-contracts.mdx b/resources/chains-and-contracts.mdx
@@ -13,14 +13,15 @@ This page is the single source of truth for contract addresses across Velora's s
 
 ## Supported chains
 
-Velora supports the following EVM networks. Each chain has Augustus v6.2 (Market routing) deployed; Delta availability is a subset.
+Velora supports the following EVM networks. Most chains run both Delta and Augustus v6.2 (Market routing); the [table below](#addresses-by-chain) shows which modes each chain supports.
 
 - Ethereum (1)
 - Optimism (10)
 - BNB Chain (56)
 - Gnosis (100)
 - Unichain (130)
 - Polygon (137)
+- Robinhood Chain (4663)
 - Base (8453)
 - Arbitrum One (42161)
 - Avalanche (43114)
@@ -31,25 +32,26 @@ The authoritative supported-chain list is queryable at runtime via `GET /chains`
 
 Each contract is also the ERC-20 spender for its execution mode — approve Augustus v6.2 for Market swaps, the Delta contract for Delta orders (Swap, Limit, TWAP), and AugustusRFQ for OTC/RFQ fills. A `—` means the contract isn't deployed on that chain and the corresponding mode is unavailable there. See [Token approvals for agents](/for-agents/token-approvals) for the spender-by-mode decision rules.
 
-**Augustus v6.2** is deployed at `0x6a000f20005980200259b80c5102003040001068` on every supported chain. **Delta** is deployed at `0x0000000000bbf5c5fd284e657f01bd000933c96d` and **Delta Wrapped Native (dETH)** at `0x0a0d53b6684c7b32b4cbef5fe8483bfcc8406742`, both at the same address on every Delta-enabled chain. **Fee Claimer** is deployed at `0x00700052c0608F670705380a4900e0a8080010CC` on every supported chain. AugustusRFQ addresses vary per chain and are listed below.
-
-| Chain (ID) | Delta | AugustusRFQ |
-|---|---|---|
-| Ethereum (1) | ✓ | `0xe92b586627ccA7a83dC919cc7127196d70f55a06` |
-| Optimism (10) | ✓ | `0x0927FD43a7a87E3E8b81Df2c44B03C4756849F6D` |
-| BNB Chain (56) | ✓ | `0x8DcDfe88EF0351f27437284D0710cD65b20288bb` |
-| Gnosis (100) | — | `0x92EaD5bACf6F0E995FA46Ad8215A9b11f67ca241` |
-| Unichain (130) | ✓ | `0x92EaD5bACf6F0E995FA46Ad8215A9b11f67ca241` |
-| Polygon (137) | ✓ | `0xF3CD476C3C4D3Ac5cA2724767f269070CA09A043` |
-| Base (8453) | ✓ | `0xa003dFBA51C9e1e56C67ae445b852bdEd7aC5EEd` |
-| Arbitrum One (42161) | ✓ | `0x0927FD43a7a87E3E8b81Df2c44B03C4756849F6D` |
-| Avalanche (43114) | — | `0x34302c4267d0dA0A8c65510282Cc22E9e39df51f` |
+**Delta** is deployed at `0x0000000000bbf5c5fd284e657f01bd000933c96d` and **Delta Wrapped Native (dETH)** at `0x0a0d53b6684c7b32b4cbef5fe8483bfcc8406742`, both at the same address on every Delta-enabled chain. **Augustus v6.2** is deployed at `0x6a000f20005980200259b80c5102003040001068` on every Market-enabled chain. **Fee Claimer** is deployed at `0x00700052c0608F670705380a4900e0a8080010CC` on every Market-enabled chain. AugustusRFQ addresses vary per chain and are listed below.
+
+| Chain (ID) | Delta | Market (Augustus v6.2) | AugustusRFQ |
+|---|---|---|---|
+| Ethereum (1) | ✓ | ✓ | `0xe92b586627ccA7a83dC919cc7127196d70f55a06` |
+| Optimism (10) | ✓ | ✓ | `0x0927FD43a7a87E3E8b81Df2c44B03C4756849F6D` |
+| BNB Chain (56) | ✓ | ✓ | `0x8DcDfe88EF0351f27437284D0710cD65b20288bb` |
+| Gnosis (100) | — | ✓ | `0x92EaD5bACf6F0E995FA46Ad8215A9b11f67ca241` |
+| Unichain (130) | ✓ | ✓ | `0x92EaD5bACf6F0E995FA46Ad8215A9b11f67ca241` |
+| Polygon (137) | ✓ | ✓ | `0xF3CD476C3C4D3Ac5cA2724767f269070CA09A043` |
+| Robinhood Chain (4663) | ✓ | — | — |
+| Base (8453) | ✓ | ✓ | `0xa003dFBA51C9e1e56C67ae445b852bdEd7aC5EEd` |
+| Arbitrum One (42161) | ✓ | ✓ | `0x0927FD43a7a87E3E8b81Df2c44B03C4756849F6D` |
+| Avalanche (43114) | — | ✓ | `0x34302c4267d0dA0A8c65510282Cc22E9e39df51f` |
 
 ## Contracts
 
 ### Augustus v6.2
 
-The Market router. All Market [`POST /transactions/:chainId`](/api-reference/market/transactions) calldata targets the Augustus v6.2 contract on the requested chain. Deployed at the same address across every supported chain.
+The Market router. All Market [`POST /transactions/:chainId`](/api-reference/market/transactions) calldata targets the Augustus v6.2 contract on the requested chain. Deployed at the same address across every Market-enabled chain.
 
 ### Augustus v6.1, v5
 
@@ -73,7 +75,7 @@ On-chain OTC and RFQ settlement contract. Supports partial fills and bilateral s
 
 ### Fee Claimer
 
-Holds partner fees accrued from Market swaps until the partner claims them. Fees taken via `partnerAddress` accumulate in this contract per chain, and partners withdraw them through the [Fee Claimer app](https://velora.xyz/fee_claimer). Delta fees never pass through it; they accrue in the Delta contract itself. Deployed at the same address on every supported chain. See [Monetization](/overview/monetization) for fee parameters and the claim flow.
+Holds partner fees accrued from Market swaps until the partner claims them. Fees taken via `partnerAddress` accumulate in this contract per chain, and partners withdraw them through the [Fee Claimer app](https://velora.xyz/fee_claimer). Delta fees never pass through it; they accrue in the Delta contract itself. Deployed at the same address on every Market-enabled chain. See [Monetization](/overview/monetization) for fee parameters and the claim flow.
 
 ## Related
 

diff --git a/resources/contracts.json b/resources/contracts.json
@@ -2,7 +2,7 @@
   "_meta": {
     "description": "Canonical per-chain deployment addresses for Velora's contract stack. Keyed by EVM chainId. Roles not deployed on a given chain are omitted.",
     "source": "https://velora.xyz/docs/resources/chains-and-contracts",
-    "lastUpdated": "2026-06-10",
+    "lastUpdated": "2026-08-10",
     "runtimeSource": "GET /chains on the Market API is the runtime source of truth for the supported-chain list.",
     "unverifiedRoles": {
       "note": "The plan-specified roles below are not yet sourced from a canonical Velora developer-docs page. Backfill when an authoritative source is published.",
@@ -50,6 +50,10 @@
       "deltaWrappedNative": "0x0a0d53b6684c7b32b4cbef5fe8483bfcc8406742",
       "augustusRFQ": "0xF3CD476C3C4D3Ac5cA2724767f269070CA09A043",
       "feeClaimer": "0x00700052c0608F670705380a4900e0a8080010CC"    },
+    "4663": {
+      "name": "Robinhood Chain",
+      "delta": "0x0000000000bbf5c5fd284e657f01bd000933c96d",
+      "deltaWrappedNative": "0x0a0d53b6684c7b32b4cbef5fe8483bfcc8406742"    },
     "8453": {
       "name": "Base",
       "augustusV6_2": "0x6a000f20005980200259b80c5102003040001068",

diff --git a/widget/overview.mdx b/widget/overview.mdx
@@ -24,7 +24,7 @@ The Velora Widget is a React component that gives your users a complete trading
 <CardGroup cols={2}>
   <Card title="Multi-chain swaps" icon="arrows-left-right">
     Same-chain and crosschain across Ethereum, Polygon, BNB, Avalanche,
-    Arbitrum, Optimism, Base, Gnosis, and Unichain.
+    Arbitrum, Optimism, Base, Gnosis, Unichain, and Robinhood Chain.
   </Card>
   <Card title="Limit, OTC, and TWAP orders" icon="clock">
     Powered by [Delta](/delta/overview). Gasless and MEV-protected.