Fireblocks (fireblocks)

Fireblocks is an institutional digital-asset and stablecoin infrastructure company providing MPC-secured custody, wallets (custodial and non-custodial / embedded), payments, tokenization, staking, smart contracts, off-exchange settlement, and DeFi security to trading firms, fintechs, exchanges, payment service providers, banks, financial institutions, and Web3 companies. The Fireblocks REST API exposes 236+ operations across 15 surface areas alongside the separate Non-Custodial Wallet (NCW) API for embedded wallets.

URL: Visit APIs.json

Run: Capabilities Using Naftiko

Tags

• Digital Assets, Custody, MPC, Wallets, Tokenization, Stablecoins, Payments, Staking, DeFi, NFTs, Compliance, Travel Rule, Off-Exchange, Smart Contracts, Webhooks

Timestamps

• Created: 2026-05-25
• Modified: 2026-05-25

API Surface

Base URL (production): https://api.fireblocks.io/v1 Base URL (sandbox): https://sandbox-api.fireblocks.io/v1 Authentication: JWT signed with RSA 4096 private key, X-API-Key header carries the workspace API user identifier, per-request body hash, 30-second expiry.

Surface	Paths	Description
Vaults	31	Vault accounts, asset wallets, deposit addresses, balances, tags
Transactions	18	Transfers, raw signings, contract calls, drop-and-replace, approvals
Whitelisted Wallets	12	Internal wallets, external wallets, whitelisted contracts
Blockchains & Assets	8	Supported chains, asset registry, new-asset registration
Exchange & Fiat Accounts	20	Exchange/fiat/connected accounts, conversions, trading
Tokenization	8	Deploy/mint/burn fungible tokens and stablecoins
Smart Contracts	17	Templates, deployed contracts, interactions, dApp connections
Staking	14	Stake/unstake/withdraw across PoS chains
NFTs	8	Non-fungible token discovery and ownership
Payments	23	Payment flows, payouts, Smart Transfers (atomic multi-leg)
Network & Off-Exchange	16	Fireblocks Network connections, Off-Exchange settlement
Compliance & Policy	21	AML screening, Travel Rule, Policy Editor
Gas Station	4	Auto-fuel native-asset balances
Workspace Management	25	Users, keys, cosigners, audit logs, workspace freeze
Webhooks	11	Webhook destinations, signature verification, replay

APIs

Fireblocks Vaults API

Create and manage vault accounts, asset wallets, deposit addresses, attached tags, and balance inquiries. Supports paged listing, bulk address creation, customer-ref-id tagging, auto-fuel toggling, and UTXO/unspent-input enumeration.

Human URL: https://developers.fireblocks.com/reference/api-overview

• Documentation
• OpenAPI
• JSON Schema — Vault Account
• JSON-LD
• Naftiko Capability — Vaults

Fireblocks Transactions API

Create, cancel, drop, and query digital-asset transactions across all supported chains. Every transaction passes the workspace Policy Engine, is signed by the MPC quorum, and is broadcast under Fireblocks' fee-bump-and-rebroadcast logic.

Human URL: https://developers.fireblocks.com/reference/api-overview

• OpenAPI
• JSON Schema — Transaction
• Naftiko Capability — Transactions

Fireblocks Whitelisted Wallets API

Manage internal wallets, external wallets, and whitelisted contracts. Approved destinations bypass one-time-address restrictions and accelerate the policy-engine quorum.

• OpenAPI
• Naftiko Capability — Wallets

Fireblocks Blockchains and Assets API

Enumerate supported blockchains and assets and register new asset/contract pairs.

• OpenAPI
• Naftiko Capability — Assets

Fireblocks Exchange and Fiat Accounts API

Connect, read, and trade across exchange accounts and fiat (DDA) accounts. Manage sub-accounts, internal transfers, conversions, manifests, rates, balances, and Connected Accounts (Beta).

• OpenAPI
• Naftiko Capability — Exchange

Fireblocks Tokenization API

Deploy, mint, burn, and manage fungible tokens and stablecoins across supported chains via the Fireblocks Tokenization Engine.

• OpenAPI
• Naftiko Capability — Tokenization

Fireblocks Smart Contracts API

Contract templates, deployed contracts, read/write interactions, and WalletConnect-mediated dApp connections — all protected by the Policy Engine and transaction simulation.

• OpenAPI
• Naftiko Capability — Contracts

Fireblocks Staking API

Execute and track staking operations across multiple proof-of-stake chains (ETH, SOL, ADA, DOT, KSM, NEAR, TEZOS, MATIC, and more).

• OpenAPI
• Naftiko Capability — Staking

Fireblocks NFTs API

Discover, index, and manage non-fungible tokens held in workspace vault accounts.

• OpenAPI
• Naftiko Capability — NFTs

Fireblocks Payments API

Run institutional crypto payment flows — payment configs, payout instruction sets, and Smart Transfer tickets (atomic multi-leg asset settlement between two counterparties).

• OpenAPI
• Naftiko Capability — Payments

Fireblocks Network and Off-Exchange API

Fireblocks Network point-to-point connectivity and Off-Exchange — keep collateral in MPC custody while mirroring balances to integrated exchanges.

• OpenAPI
• Naftiko Capability — Network

Fireblocks Compliance and Policy API

AML transaction screening, Travel Rule (FATF R.16) VASP messaging, address registry, and the workspace Policy Editor (Beta and V2).

• OpenAPI
• Naftiko Capability — Compliance

Fireblocks Gas Station API

Configure auto-fuel logic that tops up native-asset balances in vault accounts so contract calls don't fail for lack of gas.

• OpenAPI
• Naftiko Capability — Gas Station

Fireblocks Workspace Management API

API users, console users, user groups, audit logs, cosigners, signing keys, KeyLink external-key management, workspace freeze, and Admin Quorum.

• OpenAPI
• Naftiko Capability — Workspace

Fireblocks Webhooks API

Receive push notifications for workspace events. Every event is signed RSA-SHA512 in the Fireblocks-Signature header.

Human URL: https://developers.fireblocks.com/reference/webhook-notifications

• OpenAPI
• JSON Schema — Webhook Event
• Naftiko Capability — Webhooks

Common Properties

• Portal — fireblocks.com
• Documentation — developers.fireblocks.com
• GettingStarted
• Pricing
• GitHubOrganization
• StatusPage
• TrustCenter
• TermsOfService
• PrivacyPolicy
• Blog
• Training — Fireblocks Academy
• SDK — TypeScript / JavaScript
• SDK — TypeScript next-gen
• SDK — Python
• SDK — Python next-gen
• SDK — Java
• SDK — EIP-1193 Web3 Provider
• SDK — Hardhat plugin
• SDK — DeFi (TypeScript)
• SDK — DeFi (Python)
• SDK — Solana adapter
• SDK — XRPL
• SDK — Hedera
• SDK — Cardano RAW
• SDK — Movement
• SDK — Stacks
• SDK — Seismic
• SDK — NCW iOS
• SDK — React Native NCW
• SDK — Embedded Wallets iOS
• CLI — Fireblocks CLI
• CLI — Homebrew tap
• Tool — Recovery Utility
• Tool — Key Recovery Tool
• Tool — Fireblocks Agent (on-prem external keys)
• Tool — Fireblocks MCP Server
• Tool — x402 Payment Facilitator
• Tool — x402 Payment Agent
• Tool — MPC Cryptography Library
• CodeExamples — Developers Hub
• CodeExamples — Retail Demo
• CodeExamples — Tokenization Lab
• CodeExamples — NCW Web Demo
• CodeExamples — Plugin-based Callback Handler

Artifacts

Machine-readable API specifications organized by format.

OpenAPI

• Fireblocks Vaults API
• Fireblocks Transactions API
• Fireblocks Whitelisted Wallets API
• Fireblocks Blockchains and Assets API
• Fireblocks Exchange and Fiat Accounts API
• Fireblocks Tokenization API
• Fireblocks Smart Contracts API
• Fireblocks Staking API
• Fireblocks NFTs API
• Fireblocks Payments API
• Fireblocks Network and Off-Exchange API
• Fireblocks Compliance and Policy API
• Fireblocks Gas Station API
• Fireblocks Workspace Management API
• Fireblocks Webhooks API

JSON Schema

• Vault Account
• Transaction
• Webhook Event

JSON-LD

• Fireblocks Context

Capabilities (Naftiko)

• Vaults
• Transactions
• Wallets
• Assets
• Exchange
• Tokenization
• Contracts
• Staking
• NFTs
• Payments
• Network
• Compliance
• Gas Station
• Workspace
• Webhooks

Commercial artifacts

• Plans / Pricing
• Rate Limits
• FinOps Definition

Maintainers

FN: Kin Lane

Email: info@apievangelist.com