> ## Documentation Index
> Fetch the complete documentation index at: https://docs.gomaestro.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> Cardano API changelog with version updates, Conway era compatibility, new features, and improvements for Maestro's Cardano services.

## Overview

<Update label="v1.8.0 - Conway compatibility">
  **Updated**:

  * `/transactions/{tx_hash}` Transaction details
    * New output fields: `reg_certs`, `unreg_certs`, `vote_delegations`, `stake_vote_delegations`, `stake_reg_delegations`, `vote_reg_delegations`, `stake_vote_reg_delegations`, `auth_committee_hot_certs`, `resign_committee_cold_certs`, `reg_drep_certs`, `unreg_drep_certs`, `update_drep_certs`
    * Extended redeemer information: `votes` and `proposals`

  **Updated**:

  * Any endpoints returning Scripts (e.g. Asset Policy, UTxOs, Script by script hash)
    * Added `plutusv3` Script type
    * `/policy/{policy}` Asset Policy
    * `/transactions/{tx_hash}/outputs/{index}/txo` Transaction output by output reference
    * `/transactions/outputs` Transaction outputs by output references
    * `/addresses/cred/utxos` UTxOs by multiple payment credentials
    * `/addresses/cred/{credential}/utxos` UTxOs by payment credential
    * `/addresses/utxos` UTxOs by multiple addresses
    * `/addresses/{address}/utxos` UTxOs at an address
    * `/scripts/{script_hash}` Script by script hash

  **Updated**:

  * `/transactions/evaluate` Evaluate redeemers of a transaction
    * Added returning `redeemer_tag` of vote and propose

  **Updated**:

  * `/accounts/{stake_addr}/updates` Stake account updates
    * Added returning `registration_deposit`

  **Updated**:

  * `/pools/{pool_id}/updates` Stake pool updates
    * `active_epoch_no` no longer required
</Update>

<Update label="v1.7.2">
  **Deprecated**:

  * `/era-history` Era history
    * Please use the improved `/era-summaries` Era summary

  **Added**:

  * `/era-summaries` Era summary
    * Replaces deprecated `/era-history`

  **Deprecated**:

  * `/protocol-params` Protocol parameters
    * Please use the improved `/protocol-parameters` Protocol parameters

  **Added**:

  * `/protocol-parameters` Protocol parameters
    * Replaces deprecated `/protocol-params`
</Update>

<Update label="v1.7.1">
  **Updated**:

  * `/markets/dexs/{dex}` DEX pairs
    * Added `pair`, `policy`, and `asset_name` filters
</Update>

<Update label="v1.7.0">
  **Added**:

  * Direct Swap Contract on Managed Contracts API
    * `/contracts/directSwap/createOffer` Create an offer
      * Create a new offer for direct swap
    * `/contracts/directSwap/cancelOffer` Cancel an offer
      * Cancel an existing offer for direct swap
    * `/contracts/directSwap/getOffers` Get all offers
      * Get all the existing offers for direct swap
    * `/contracts/directSwap/getOffers/:address` Get user's offers
      * Get all the existing offers for a specific user
    * `/contracts/directSwap/fillOffer` Fill an offer
      * Fill an existing offer for direct swap
</Update>

<Update label="v1.6.3">
  **Updated**:

  * `/markets/dexs/stats/{dex}/{pair}` DEX and Pair Stats
    * Added USD conversion for latest price, 1d, 1w, and 1mo
</Update>

<Update label="v1.6.2">
  **Updated**:

  * `/markets/dexs/stats/{dex}/{pair}` DEX and Pair Stats
    * Added `latest_price`, `market_cap`, `supply`, and `unique_holders`
</Update>

<Update label="v1.6.1">
  **Updated**:

  * `/markets/dexs/trades/{dex}/{pair}` DEX and Pair Trades
    * Added returning `a_to_b`, indicating the direction of each trade
</Update>

<Update label="v1.6.0">
  **Removed**:

  * Previously deprecated endpoints:
    * From v1.4.3: `/datum/{datum_hash}`
    * From v1.4.1: `/assets/policy/{policy}`, `/assets/policy/{policy}/accounts`, `/assets/policy/{policy}/addresses`, `/assets/policy/{policy}/txs`, `/assets/policy/{policy}/utxos`, `/assets/{asset}/txs`, `/assets/{asset}/updates`
</Update>

<Update label="v1.5.8">
  **Added**:

  * `/markets/dexs/stats/{dex}/{pair}` Get DEX Stats
    * Returns DEX and Token Stats over different timeframes

  **Updated**:

  * `/markets/dexs/ohlc/{dex}/{pair}` Get DEX OHLC
    * Now includes change percentage within each candle
</Update>

<Update label="v1.5.7">
  **Updated**:

  * `/accounts/{stake_addr}/addresses` Stake account addresses
    * Added an `include_empty` optional parameter to include all addresses ever seen on-chain
</Update>

<Update label="v1.5.6">
  **Added**:

  * `/addresses/cred/{credential}/balance` Balance by payment credential
    * Return total amount of assets, including ADA, in UTxOs controlled by a specific payment credential
</Update>

<Update label="v1.5.5">
  **Added**:

  * `/accounts/{stake_addr}/delegations` Stake account delegation history
    * Returns list of delegation actions relating to a stake account

  **Updated**:

  * `/accounts/{stake_addr}/history` Stake account history
    * Added `order`: The order in which the results are sorted (by epoch number)
  * `/accounts/{stake_addr}/rewards` Stake account rewards
    * Added `order`: The order in which the results are sorted (by epoch number)
  * `/accounts/{stake_addr}/updates` Stake account updates
    * Added `order`: The order in which the results are sorted (by absolute slot)
</Update>

<Update label="v1.5.4">
  **Updated**:

  * `/transactions/outputs` Transaction outputs by output references
    * Added an `allow_missing` parameter prevent returning a 404 if any output references are not found
</Update>

<Update label="v1.5.3">
  **Updated**:

  * Resolution and sort enums for DeFi Market API endpoints
  * `/markets/dexs/trades/{dex}/{pair}` Get DEX trades
  * `/markets/dexs/ohlc/{dex}/{pair}` Get DEX OHLC
</Update>

<Update label="v1.5.2">
  **Added**:

  * `/pools/{pool_id}/delegators/{epoch_no}` Stake pool delegator history
</Update>

<Update label="v1.5.1">
  **Updated**:

  * DeFi Market API - **Now out of Beta!**

  **Added**:

  * `/markets/dexs/trades/{dex}/{pair}` Get DEX trades

  **Removed**:

  * `/markets/dexs/prices/{dex}/{pair}` Get DEX prices

  **Added**:

  * `/markets/dexs/ohlc/{dex}/{pair}` Get DEX OHLC
</Update>