HORIZON_COMPATIBILITY_MATRIX.md

Horizon API vs KMP Stellar SDK Compatibility Matrix

Horizon Version: v27.0.0 (released 2026-06-11)
Horizon Source: v27.0.0
SDK Version: 1.10.0
Generated: 2026-07-20 11:42:59

Horizon Endpoints Discovered: 52
Public API Endpoints (in matrix): 50

Note: 2 endpoints are intentionally excluded from the matrix:

• GET /paths - Deprecated (replaced by /paths/strict-receive and /paths/strict-send)
• POST /friendbot - Redundant (GET method is used instead)

Overall Coverage

Coverage: 100.0% (50/50 public API endpoints)

• ✅ Fully Supported: 50/50
• ⚠️ Partially Supported: 0/50
• ❌ Not Supported: 0/50
• 🔄 Deprecated: 0/50

Coverage by Category

Category	Coverage	Supported	Not Supported	Total
root	100.0%	1	0	1
accounts	100.0%	9	0	9
assets	100.0%	1	0	1
claimable_balances	100.0%	4	0	4
effects	100.0%	1	0	1
fee_stats	100.0%	1	0	1
friendbot	100.0%	1	0	1
health	100.0%	1	0	1
ledgers	100.0%	6	0	6
liquidity_pools	100.0%	6	0	6
offers	100.0%	3	0	3
operations	100.0%	3	0	3
order_book	100.0%	1	0	1
paths	100.0%	2	0	2
payments	100.0%	1	0	1
trade_aggregations	100.0%	1	0	1
trades	100.0%	1	0	1
transactions	100.0%	6	0	6
transactions_async	100.0%	1	0	1

Streaming Support

Coverage: 100.0%

• Streaming endpoints: 29
• Supported: 29

Detailed Endpoint Comparison

Root

Endpoint	Method	Status	SDK Method	Streaming	Notes
/	GET	✅	root		Full implementation with all features supported. Implemented via RootRequestBuilder

Accounts

Endpoint	Method	Status	SDK Method	Streaming	Notes
/accounts	GET	✅	accounts		Full implementation with all features supported. Implemented via AccountsRequestBuilder
/accounts/{account_id}	GET	✅	accounts.account	✓	Full implementation with all features supported. Implemented via AccountsRequestBuilder
/accounts/{account_id}/data/{key}	GET	✅	accounts.accountData		Full implementation with all features supported. Implemented via AccountsRequestBuilder
/accounts/{account_id}/effects	GET	✅	effects.forAccount	✓	Full implementation with all features supported. Implemented via EffectsRequestBuilder
/accounts/{account_id}/offers	GET	✅	offers.forAccount	✓	Full implementation with all features supported. Implemented via OffersRequestBuilder
/accounts/{account_id}/operations	GET	✅	operations.forAccount	✓	Full implementation with all features supported. Implemented via OperationsRequestBuilder
/accounts/{account_id}/payments	GET	✅	payments.forAccount	✓	Full implementation with all features supported. Implemented via PaymentsRequestBuilder
/accounts/{account_id}/trades	GET	✅	trades.forAccount	✓	Full implementation with all features supported. Implemented via TradesRequestBuilder
/accounts/{account_id}/transactions	GET	✅	transactions.forAccount	✓	Full implementation with all features supported. Implemented via TransactionsRequestBuilder

Assets

Endpoint	Method	Status	SDK Method	Streaming	Notes
/assets	GET	✅	assets		Full implementation with all features supported. Implemented via AssetsRequestBuilder

Claimable_Balances

Endpoint	Method	Status	SDK Method	Streaming	Notes
/claimable_balances	GET	✅	claimableBalances		Full implementation with all features supported. Implemented via ClaimableBalancesRequestBuilder
/claimable_balances/{claimable_balance_id}	GET	✅	claimableBalances.claimableBalance		Full implementation with all features supported. Implemented via ClaimableBalancesRequestBuilder
/claimable_balances/{claimable_balance_id}/operations	GET	✅	operations.forClaimableBalance	✓	Full implementation with all features supported. Implemented via OperationsRequestBuilder
/claimable_balances/{claimable_balance_id}/transactions	GET	✅	transactions.forClaimableBalance	✓	Full implementation with all features supported. Implemented via TransactionsRequestBuilder

Effects

Endpoint	Method	Status	SDK Method	Streaming	Notes
/effects	GET	✅	effects	✓	Full implementation with all features supported. Implemented via EffectsRequestBuilder

Fee_Stats

Endpoint	Method	Status	SDK Method	Streaming	Notes
/fee_stats	GET	✅	feeStats		Full implementation with all features supported. Implemented via FeeStatsRequestBuilder

Friendbot

Endpoint	Method	Status	SDK Method	Streaming	Notes
/friendbot	GET	✅	FriendBot.fundTestnetAccount / FriendBot.fundFuturenetAccount		Full implementation with all features supported. Implemented via FriendBot utility class (testnet/futurenet only)

Health

Endpoint	Method	Status	SDK Method	Streaming	Notes
/health	GET	✅	health		Full implementation with all features supported. Implemented via HealthRequestBuilder

Ledgers

Endpoint	Method	Status	SDK Method	Streaming	Notes
/ledgers	GET	✅	ledgers	✓	Full implementation with all features supported. Implemented via LedgersRequestBuilder
/ledgers/{ledger_id}	GET	✅	ledgers.ledger		Full implementation with all features supported. Implemented via TransactionsRequestBuilder
/ledgers/{ledger_id}/effects	GET	✅	effects.forLedger	✓	Full implementation with all features supported. Implemented via EffectsRequestBuilder
/ledgers/{ledger_id}/operations	GET	✅	operations.forLedger	✓	Full implementation with all features supported. Implemented via OperationsRequestBuilder
/ledgers/{ledger_id}/payments	GET	✅	payments.forLedger	✓	Full implementation with all features supported. Implemented via PaymentsRequestBuilder
/ledgers/{ledger_id}/transactions	GET	✅	transactions.forLedger	✓	Full implementation with all features supported. Implemented via TransactionsRequestBuilder

Liquidity_Pools

Endpoint	Method	Status	SDK Method	Streaming	Notes
/liquidity_pools	GET	✅	liquidityPools		Full implementation with all features supported. Implemented via LiquidityPoolsRequestBuilder
/liquidity_pools/{liquidity_pool_id}	GET	✅	liquidityPools.liquidityPool		Full implementation with all features supported. Implemented via LiquidityPoolsRequestBuilder
/liquidity_pools/{liquidity_pool_id}/effects	GET	✅	effects.forLiquidityPool	✓	Full implementation with all features supported. Implemented via EffectsRequestBuilder
/liquidity_pools/{liquidity_pool_id}/operations	GET	✅	operations.forLiquidityPool	✓	Full implementation with all features supported. Implemented via OperationsRequestBuilder
/liquidity_pools/{liquidity_pool_id}/trades	GET	✅	trades.forLiquidityPool	✓	Full implementation with all features supported. Implemented via TradesRequestBuilder
/liquidity_pools/{liquidity_pool_id}/transactions	GET	✅	transactions.forLiquidityPool	✓	Full implementation with all features supported. Implemented via TransactionsRequestBuilder

Offers

Endpoint	Method	Status	SDK Method	Streaming	Notes
/offers	GET	✅	offers		Full implementation with all features supported. Implemented via OffersRequestBuilder
/offers/{offer_id}	GET	✅	offers.offer		Full implementation with all features supported. Implemented via OffersRequestBuilder
/offers/{offer_id}/trades	GET	✅	trades.forOfferId	✓	Full implementation with all features supported. Implemented via query parameter instead of path segment. Use trades().forOfferId()

Operations

Endpoint	Method	Status	SDK Method	Streaming	Notes
/operations	GET	✅	operations	✓	Full implementation with all features supported. Implemented via OperationsRequestBuilder
/operations/{operation_id}	GET	✅	operations.operation		Full implementation with all features supported. Implemented via OperationsRequestBuilder
/operations/{operation_id}/effects	GET	✅	effects.forOperation	✓	Full implementation with all features supported. Implemented via EffectsRequestBuilder

Order_Book

Endpoint	Method	Status	SDK Method	Streaming	Notes
/order_book	GET	✅	orderBook	✓	Full implementation with all features supported. Implemented via OrderBookRequestBuilder

Paths

Endpoint	Method	Status	SDK Method	Streaming	Notes
/paths/strict-receive	GET	✅	strictReceivePaths		Full implementation with all features supported. Implemented via StrictReceivePathsRequestBuilder
/paths/strict-send	GET	✅	strictSendPaths		Full implementation with all features supported. Implemented via StrictSendPathsRequestBuilder

Payments

Endpoint	Method	Status	SDK Method	Streaming	Notes
/payments	GET	✅	payments	✓	Full implementation with all features supported. Implemented via PaymentsRequestBuilder

Trade_Aggregations

Endpoint	Method	Status	SDK Method	Streaming	Notes
/trade_aggregations	GET	✅	tradeAggregations		Full implementation with all features supported. Implemented via TradeAggregationsRequestBuilder

Trades

Endpoint	Method	Status	SDK Method	Streaming	Notes
/trades	GET	✅	trades	✓	Full implementation with all features supported. Implemented via TradesRequestBuilder

Transactions

Endpoint	Method	Status	SDK Method	Streaming	Notes
/transactions	GET	✅	transactions	✓	Full implementation with all features supported. Implemented via TransactionsRequestBuilder
/transactions	POST	✅	submitTransaction		Full implementation with all features supported. Implemented via submitTransaction() method
/transactions/{transaction_id}	GET	✅	transactions.transaction		Full implementation with all features supported. Implemented via TransactionsRequestBuilder
/transactions/{transaction_id}/effects	GET	✅	effects.forTransaction	✓	Full implementation with all features supported. Implemented via EffectsRequestBuilder
/transactions/{transaction_id}/operations	GET	✅	operations.forTransaction	✓	Full implementation with all features supported. Implemented via OperationsRequestBuilder
/transactions/{transaction_id}/payments	GET	✅	payments.forTransaction	✓	Full implementation with all features supported. Implemented via PaymentsRequestBuilder

Transactions_Async

Endpoint	Method	Status	SDK Method	Streaming	Notes
/transactions_async	POST	✅	submitTransactionAsync		Full implementation with all features supported. Implemented via submitTransactionAsync() method. Parameter transactionEnvelopeXdr is mapped to tx internally

Legend

• ✅ Fully Supported: Complete implementation with all features
• ⚠️ Partially Supported: Basic functionality with some limitations
• ❌ Not Supported: Endpoint not implemented
• 🔄 Deprecated: Deprecated endpoint with alternative available