CryptoAPIs-io/mcp

Get XRP block details (Block Data product). Path uses network only (no blockchain). Networks: mainnet, testnet. Actions: • get-block-by-height: Get block details by block height (number) • get-block-by-hash: Get block details by block hash • list-transactions-by-block-height: List transactions in a block by block height • list-transactions-by-block-hash: List transactions in a block by block hash • get-last-mined-block: Get the latest mined block details • list-latest-mined-blocks: List the latest mined blocks Credits by action (source: OpenAPI): • get-block-by-hash: 20 • get-block-by-height…

Create a webhook subscription for on-chain events. When the specified event occurs, CryptoAPIs sends a POST request to your callbackUrl with the event data. Subscriptions persist until deleted. Event types (supported blockchains vary per type — an invalid blockchain for the chosen eventType is rejected before calling the API): • address-coins-transactions-unconfirmed: fires when an unconfirmed coin transaction touches the address • address-coins-transactions-confirmed: fires once a coin transaction confirms (optionally on an exact confirmation via receiveCallbackOn) • address-coins-transactio…

Manage existing webhook subscriptions for on-chain events. Use this to view, delete, or re-activate event subscriptions created via blockchain_events_create. Actions: • list-subscriptions: List all active subscriptions for a blockchain/network (paginated) • get-subscription: Get details of a specific subscription by its referenceId • delete-subscription: Remove a subscription (stops webhook delivery) • activate-subscription: Re-activate a previously deactivated subscription Note: 'delete-subscription', 'activate-subscription' actions require confirmation. They return a preview with a one-tim…

CryptoAPIs reference documentation — no API call, no credits consumed. Actions: • blockchains — Supported blockchains, networks, products per chain, denominations, fiat currencies • errors — Complete error code table (HTTP status, error code, message) • credits — Credit charging structure, cost multipliers per blockchain, monitoring & operations taxes (xPub, synced addresses, blockchain events), pay-as-you-go • callbacks — Webhook mechanics: URL requirements, retry strategy (5 retries, exponential backoff), HMAC security, idempotency • limits — Throughput soft/hard limits per plan, 2.1x penal…

Get fee recommendations and estimate gas costs for EVM blockchains. Use this before preparing or signing a transaction to determine appropriate gas parameters. Actions: • get-fee-recommendations: Get recommended gas price tiers (slow/standard/fast) • get-eip-1559-fee-recommendations: Get EIP-1559 fee parameters (baseFee, maxPriorityFee) for supported chains • estimate-native-coin-transfer-gas: Estimate gas for a native coin transfer (e.g. ETH, BNB) • estimate-token-transfer-gas: Estimate gas for an ERC-20/ERC-721 token transfer • estimate-contract-interaction-gas: Estimate gas for a smart con…

Blockchain Fees Solana: fee recommendations and compute-unit estimation. Solana uses compute units (not gas), so this is a distinct cost model from EVM. Actions: • get-fee-recommendations: Get current priority fee recommendations from the mempool • estimate-native-coin-transfer-compute-units: Estimate compute units for a native SOL transfer • estimate-token-transfer-compute-units: Estimate compute units for an SPL token transfer • estimate-program-invocation-compute-units: Estimate compute units for an arbitrary program instruction call Credits by action (source: OpenAPI): • estimate-native-…

Blockchain Fees Tezos: fee recommendations and fee estimation for XTZ, FA1.2, and FA2 transfers. Actions: • get-fee-recommendations: Get current minimal fee/cost rates from the mempool • estimate-transfer: Estimate the fee for a native XTZ transfer • estimate-fa12-transfer: Estimate the fee for an FA1.2 token transfer • estimate-fa2-transfer: Estimate the fee for an FA2 token transfer Credits by action (source: OpenAPI): • estimate-fa12-transfer: 52 • estimate-fa2-transfer: 52 • estimate-transfer: 52 • get-fee-recommendations: 52 Credits are indicative only and may change at any time. The a…

Get fee recommendations for UTXO blockchains (bitcoin, bitcoin-cash, litecoin, dogecoin, dash, zcash). Use this before preparing or signing a transaction to determine the appropriate fee rate. Actions: • get-fee-recommendations: Get recommended fee-per-byte tiers (slow/standard/fast) from the mempool • estimate-transaction-smart-fee: Estimate the fee rate needed for confirmation within a target number of blocks Credits by action (source: OpenAPI): • estimate-transaction-smart-fee: bitcoin 510, bitcoin-cash 612, dash 561, dogecoin 561, litecoin 561, zcash 663 • get-fee-recommendations: bitcoi…

Blockchain Fees XRP: get fee recommendations. Networks: mainnet, testnet. Credits per call: 20 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.

CryptoAPIs reference documentation — no API call, no credits consumed. Actions: • blockchains — Supported blockchains, networks, products per chain, denominations, fiat currencies • errors — Complete error code table (HTTP status, error code, message) • credits — Credit charging structure, cost multipliers per blockchain, monitoring & operations taxes (xPub, synced addresses, blockchain events), pay-as-you-go • callbacks — Webhook mechanics: URL requirements, retry strategy (5 retries, exponential backoff), HMAC security, idempotency • limits — Throughput soft/hard limits per plan, 2.1x penal…

Broadcast locally signed transaction (Broadcast product). Submit a signed transaction hex to the network. Supported blockchains and networks vary; see credits for per-chain cost. Note: 'broadcast-signed-transaction' actions require confirmation. They return a preview with a one-time token instead of executing immediately. Credits by action (source: OpenAPI): • broadcast-signed-transaction: arbitrum 80, avalanche 90, base 60, binance-smart-chain 125, bitcoin 50, bitcoin-cash 60, dash 55, dogecoin 55, ethereum 50, ethereum-classic 65, litecoin 55, optimism 70, polygon 100, solana 150, tezos 6…

CryptoAPIs reference documentation — no API call, no credits consumed. Actions: • blockchains — Supported blockchains, networks, products per chain, denominations, fiat currencies • errors — Complete error code table (HTTP status, error code, message) • credits — Credit charging structure, cost multipliers per blockchain, monitoring & operations taxes (xPub, synced addresses, blockchain events), pay-as-you-go • callbacks — Webhook mechanics: URL requirements, retry strategy (5 retries, exponential backoff), HMAC security, idempotency • limits — Throughput soft/hard limits per plan, 2.1x penal…

Get EVM contract token details (Contracts product). Actions: • get-token-details-by-contract-address: Get token details (name, symbol, standard, decimals, totalSupply) by contract address Blockchain → Networks: • ethereum: mainnet, sepolia • ethereum-classic: mainnet, mordor • binance-smart-chain: mainnet, testnet Credits by action (source: OpenAPI): • get-token-details-by-contract-address: binance-smart-chain 75, ethereum 30, ethereum-classic 39 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.

Get Solana contract token details (Contracts product). Actions: • get-token-details-by-contract-address: Get token details by contract address Networks: mainnet, devnet Credits by action (source: OpenAPI): • get-token-details-by-contract-address: 75 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.

CryptoAPIs reference documentation — no API call, no credits consumed. Actions: • blockchains — Supported blockchains, networks, products per chain, denominations, fiat currencies • errors — Complete error code table (HTTP status, error code, message) • credits — Credit charging structure, cost multipliers per blockchain, monitoring & operations taxes (xPub, synced addresses, blockchain events), pay-as-you-go • callbacks — Webhook mechanics: URL requirements, retry strategy (5 retries, exponential backoff), HMAC security, idempotency • limits — Throughput soft/hard limits per plan, 2.1x penal…

Query HD wallet data for EVM blockchains by extended public key (xPub). The wallet must first be synced via manage_hd_wallet. Offset pagination: use 'limit' and 'offset' for paged results. Actions: • derive-receiving-address: Derive the next unused receiving address • list-addresses: List all derived addresses for the wallet • list-transactions: List transactions across all wallet addresses • prepare-transaction: Build an unsigned EVM transaction from a wallet address • list-assets: List token balances (ERC-20, ERC-721, etc.) held by the wallet • get-details: Get wallet summary (total balance…

Query HD wallet data for UTXO blockchains (bitcoin, litecoin, bitcoin-cash, dogecoin, dash, zcash) by extended public key (xPub/yPub/zPub). The wallet must first be synced via manage_hd_wallet. Offset pagination: use 'limit' and 'offset' for paged results. Actions: • derive-receiving-address: Derive the next unused receiving address • derive-change-address: Derive the next unused change address • list-addresses: List all derived addresses for the wallet • list-transactions: List transactions across all wallet addresses • list-utxos: List unspent transaction outputs (UTXOs) for the wallet • pr…

Query HD wallet data for XRP (Ripple) by extended public key (xPub). The wallet must first be synced via manage_hd_wallet. Offset pagination: use 'limit' and 'offset' for paged results. Actions: • derive-receiving-address: Derive the next unused receiving address • list-addresses: List all derived addresses for the wallet • list-transactions: List transactions across all wallet addresses • list-assets: List token/asset balances held by the wallet • get-details: Get wallet summary (total balance, address count, sync status) Credits by action (source: OpenAPI): • derive-receiving-address: 24 •…

Manage HD wallets identified by extended public key (xPub/yPub/zPub). Private keys never leave the user's device — only the extended public key is sent to CryptoAPIs for address derivation and balance tracking. Actions: • sync-wallet: Register an xPub to start syncing its addresses and balances • list-wallets: List all synced HD wallets for a blockchain/network • activate-wallet: Re-activate a previously deleted wallet • delete-wallet: Remove an xPub from tracking (can be re-activated later) • get-status: Check the sync status of a wallet (syncing, synced, etc.) Note: 'sync-wallet', 'activat…

CryptoAPIs reference documentation — no API call, no credits consumed. Actions: • blockchains — Supported blockchains, networks, products per chain, denominations, fiat currencies • errors — Complete error code table (HTTP status, error code, message) • credits — Credit charging structure, cost multipliers per blockchain, monitoring & operations taxes (xPub, synced addresses, blockchain events), pay-as-you-go • callbacks — Webhook mechanics: URL requirements, retry strategy (5 retries, exponential backoff), HMAC security, idempotency • limits — Throughput soft/hard limits per plan, 2.1x penal…

Market Data assets (asset details). Actions: • get-asset-details-by-asset-id: Get asset details by unique asset ID • get-asset-details-by-asset-symbol: Get asset details by symbol (e.g. BTC, ETH) Credits by action (source: OpenAPI): • get-asset-details-by-asset-id: 10 • get-asset-details-by-asset-symbol: 10 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.

Market Data exchange rates. Actions: • get-exchange-rate-by-asset-symbols: Get exchange rate between two assets by symbol (e.g. BTC, USD) • get-exchange-rate-by-asset-ids: Get exchange rate between two assets by asset ID Credits by action (source: OpenAPI): • get-exchange-rate-by-asset-ids: 10 • get-exchange-rate-by-asset-symbols: 10 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.

Market Data metadata (list supported assets). Actions: • list-supported-assets: List supported crypto and fiat assets (optional pagination and type filter) Credits by action (source: OpenAPI): • list-supported-assets: 10 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.

CryptoAPIs reference documentation — no API call, no credits consumed. Actions: • blockchains — Supported blockchains, networks, products per chain, denominations, fiat currencies • errors — Complete error code table (HTTP status, error code, message) • credits — Credit charging structure, cost multipliers per blockchain, monitoring & operations taxes (xPub, synced addresses, blockchain events), pay-as-you-go • callbacks — Webhook mechanics: URL requirements, retry strategy (5 retries, exponential backoff), HMAC security, idempotency • limits — Throughput soft/hard limits per plan, 2.1x penal…

Build unsigned EVM transactions ready for signing. Returns the raw unsigned transaction hex and fee details. After preparing, use a signing tool (e.g. evm_sign) to sign locally, then broadcast via broadcast_signed_transaction. Actions: • prepare-transaction-from-address: Build an unsigned native coin transfer (e.g. ETH, BNB) • prepare-fungible-token-transfer: Build an unsigned ERC-20 token transfer • prepare-nft-transfer: Build an unsigned ERC-721 NFT transfer Credits by action (source: OpenAPI): • prepare-fungible-token-transfer: 24 • prepare-nft-transfer: 24 • prepare-transaction-from-addr…

Build unsigned Kaspa transactions ready for signing. Returns the unsigned transaction and fee details. After preparing, sign locally (kaspa_sign) and broadcast via broadcast_signed_transaction. Actions: • native-coins: Build an unsigned native KAS transfer, supporting multiple recipients in one transaction Credits by action (source: OpenAPI): • native-coins: 60 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.

Build unsigned Solana transactions ready for signing. Returns the unsigned transaction and fee details. After preparing, sign locally and broadcast via broadcast_signed_transaction. Actions: • native-coins: Build an unsigned native SOL transfer • spl-tokens: Build an unsigned SPL token transfer Credits by action (source: OpenAPI): • native-coins: 180 • spl-tokens: 240 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.

Build unsigned Tezos operations ready for signing. Returns the forged (unsigned) operation bytes and fee details. After preparing, sign locally and broadcast via broadcast_signed_transaction. Actions: • native-coins: Build an unsigned native XTZ transfer • fa1-2-tokens: Build an unsigned FA1.2 token transfer • fa2-tokens: Build an unsigned FA2 token transfer Credits by action (source: OpenAPI): • fa1-2-tokens: 104 • fa2-tokens: 104 • native-coins: 78 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.

Build unsigned Tron transactions ready for signing. Returns the unsigned transaction and fee details. After preparing, sign locally (tron_sign) and broadcast via broadcast_signed_transaction. These are Tron's dedicated prepare-transactions endpoints, distinct from the generic EVM ones used for other chains. Actions: • native-coins: Build an unsigned native TRX transfer • trc20-tokens: Build an unsigned TRC-20 token transfer • non-fungible-tokens: Build an unsigned TRC-721/TRC-1155 NFT transfer Credits by action (source: OpenAPI): • native-coins: 90 • non-fungible-tokens: 128 • trc20-tokens: …

Build unsigned UTXO transactions ready for signing (Bitcoin, Bitcoin Cash, Litecoin, Dogecoin, Dash, Zcash). Returns the unsigned transaction and fee details. After preparing, sign locally (utxo_sign) and broadcast via broadcast_signed_transaction. Actions: • native-coins: Build an unsigned native coin transfer, supporting multiple recipients in one transaction. Requires either feePriority or exactFee. Credits by action (source: OpenAPI): • native-coins: 530 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response hea…

Build unsigned XRP transactions ready for signing. Returns the unsigned transaction and fee details. After preparing, sign locally (xrp_sign) and broadcast via broadcast_signed_transaction. Actions: • native-coins: Build an unsigned native XRP transfer Credits by action (source: OpenAPI): • native-coins: 60 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.

CryptoAPIs reference documentation — no API call, no credits consumed. Actions: • blockchains — Supported blockchains, networks, products per chain, denominations, fiat currencies • errors — Complete error code table (HTTP status, error code, message) • credits — Credit charging structure, cost multipliers per blockchain, monitoring & operations taxes (xPub, synced addresses, blockchain events), pay-as-you-go • callbacks — Webhook mechanics: URL requirements, retry strategy (5 retries, exponential backoff), HMAC security, idempotency • limits — Throughput soft/hard limits per plan, 2.1x penal…

Dry-run an Ethereum transaction without broadcasting it to the network (mainnet or sepolia only — this endpoint does not support other EVM chains). Returns estimated gas usage, execution success/failure, and any revert reason. Use this to validate transactions before signing and broadcasting — helpful for catching errors, estimating costs, and debugging contract interactions. Credits per call: 48 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.

CryptoAPIs reference documentation — no API call, no credits consumed. Actions: • blockchains — Supported blockchains, networks, products per chain, denominations, fiat currencies • errors — Complete error code table (HTTP status, error code, message) • credits — Credit charging structure, cost multipliers per blockchain, monitoring & operations taxes (xPub, synced addresses, blockchain events), pay-as-you-go • callbacks — Webhook mechanics: URL requirements, retry strategy (5 retries, exponential backoff), HMAC security, idempotency • limits — Throughput soft/hard limits per plan, 2.1x penal…

CryptoAPIs reference documentation — no API call, no credits consumed. Actions: • blockchains — Supported blockchains, networks, products per chain, denominations, fiat currencies • errors — Complete error code table (HTTP status, error code, message) • credits — Credit charging structure, cost multipliers per blockchain, monitoring & operations taxes (xPub, synced addresses, blockchain events), pay-as-you-go • callbacks — Webhook mechanics: URL requirements, retry strategy (5 retries, exponential backoff), HMAC security, idempotency • limits — Throughput soft/hard limits per plan, 2.1x penal…

Transactions Data EVM: get transaction details, internal transactions, token transfers, or logs by transaction hash. Actions: get-transaction-details, list-internal-transactions, list-token-transfers, list-logs. Credits by action (source: OpenAPI): • get-transaction-details: arbitrum 192, avalanche 216, base 144, binance-smart-chain 300, ethereum 120, ethereum-classic 156, optimism 168, polygon 240, tron 180 • list-internal-transactions: arbitrum 512, avalanche 576, base 384, binance-smart-chain 800, ethereum 320, ethereum-classic 416, optimism 448, polygon 640, tron 480 • list-logs: arbitru…

Transactions Data Kaspa: get transaction details by transaction ID. Network: mainnet. Credits per call: 918 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.

Transactions Data Solana: get transaction details by transaction hash (signature). Networks: mainnet, devnet. Credits per call: 90 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.

Transactions Data UTXO: get transaction details or raw transaction data by hash. Actions: get-transaction-details, get-raw-transaction-data. Blockchains: bitcoin, bitcoin-cash, litecoin, dogecoin, dash, zcash. Networks: mainnet, testnet. Credits by action (source: OpenAPI): • get-raw-transaction-data: bitcoin 110, bitcoin-cash 132, dash 121, dogecoin 121, litecoin 121, zcash 143 • get-transaction-details: bitcoin 110, bitcoin-cash 132, dash 121, dogecoin 121, litecoin 121, zcash 143 Credits are indicative only and may change at any time. The actual credits spent for each API request are ret…

Transactions Data XRP: get transaction details by transaction hash. Networks: mainnet, testnet. Credits per call: 110 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.

Utils: derive HD wallet (xPub, yPub, zPub) change or receiving addresses without syncing. GET /utils/{blockchain}/{network}/xpubs/{extendedPublicKey}/derive-addresses Derives up to 10 addresses. By default creates receiving/deposit address; set isChange=true for change address (UTXO only). Credits by action (source: OpenAPI): • binance-smart-chain: 25 • bitcoin: 10 • bitcoin-cash: 12 • dash: 11 • dogecoin: 11 • ethereum: 10 • ethereum-classic: 13 • litecoin: 11 • tron: 15 • xrp: 10 • zcash: 13 Credits are indicative only and may change at any time. The actual credits spent for each API requ…

EVM utils (Utils product): validate address, decode raw transaction hex. Actions: • validate-address: Check if an EVM address is valid • decode-raw-transaction: Decode a raw transaction hex Blockchain → Networks: • ethereum: mainnet, sepolia • ethereum-classic: mainnet, mordor • binance-smart-chain: mainnet, testnet • tron: mainnet, nile Credits by action (source: OpenAPI): • decode-raw-transaction: binance-smart-chain 25, ethereum 10, ethereum-classic 13, tron 15 • validate-address: binance-smart-chain 25, ethereum 10, ethereum-classic 13, tron 15 Credits are indicative only and may chang…

CryptoAPIs reference documentation — no API call, no credits consumed. Actions: • blockchains — Supported blockchains, networks, products per chain, denominations, fiat currencies • errors — Complete error code table (HTTP status, error code, message) • credits — Credit charging structure, cost multipliers per blockchain, monitoring & operations taxes (xPub, synced addresses, blockchain events), pay-as-you-go • callbacks — Webhook mechanics: URL requirements, retry strategy (5 retries, exponential backoff), HMAC security, idempotency • limits — Throughput soft/hard limits per plan, 2.1x penal…

UTXO utils (Utils product): validate address, decode raw transaction hex, convert Bitcoin Cash address. Actions: • validate-address: Check if a UTXO address is valid • decode-raw-transaction: Decode a raw transaction hex • convert-bitcoin-cash-address: Convert Bitcoin Cash address (legacy ↔ cash format); Bitcoin Cash only, no blockchain parameter (network + address) Blockchain → Networks: • bitcoin: mainnet, testnet • bitcoin-cash: mainnet, testnet • litecoin: mainnet, testnet • dogecoin: mainnet, testnet • dash: mainnet, testnet • zcash: mainnet, testnet Credits by action (source: OpenAPI)…

XRP utils (Utils product): validate address, decode/encode X-Address. Actions: • validate-address: Check if an XRP address is valid • decode-x-address: Decode X-Address to classic address and tag • encode-x-address: Encode classic address and tag to X-Address Networks: mainnet, testnet Credits by action (source: OpenAPI): • decode-x-address: 10 • encode-x-address: 10 • validate-address: 10 Credits are indicative only and may change at any time. The actual credits spent for each API request are returned in the response headers.