aid: dfns
url: https://raw.githubusercontent.com/api-evangelist/dfns/refs/heads/main/apis.yml
name: Dfns
kind: company
description: Dfns is a wallet-as-a-service and MPC key-management infrastructure provider.
  Its API lets businesses create programmable, non-custodial wallets backed by
  multi-party-computation key shares, sign and broadcast transactions across many
  blockchains, and govern every action through a programmable policy engine with
  delegated signing, approvals, and User Action Signing.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Wallets
- MPC
- Key Management
- Digital Assets
- Web3
- Non-Custodial
created: '2026-07-01'
modified: '2026-07-01'
specificationVersion: '0.19'
apis:
- aid: dfns:dfns-wallets-api
  name: Dfns Wallets API
  tags:
  - Wallets
  - Balances
  - NFTs
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.dfns.co/d/api-docs/wallets
  baseURL: https://api.dfns.io
  properties:
  - url: https://docs.dfns.co/d/api-docs/wallets
    type: Documentation
  - url: https://docs.dfns.co/d/api-docs/wallets/api-reference
    type: APIReference
  - url: openapi/dfns-openapi.yml
    type: OpenAPI
  - url: collections/dfns.postman_collection.json
    type: PostmanCollection
  - url: collections/dfns.opencollection.json
    type: OpenCollection
  description: Create and manage programmable non-custodial wallets on many blockchain
    networks, and read wallet addresses, asset balances, NFTs, and on-chain history.
- aid: dfns:dfns-keys-api
  name: Dfns Keys API
  tags:
  - Keys
  - MPC
  - Signing
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.dfns.co/d/api-docs/keys
  baseURL: https://api.dfns.io
  properties:
  - url: https://docs.dfns.co/d/api-docs/keys
    type: Documentation
  - url: openapi/dfns-openapi.yml
    type: OpenAPI
  - url: collections/dfns.postman_collection.json
    type: PostmanCollection
  - url: collections/dfns.opencollection.json
    type: OpenCollection
  description: Create and manage standalone MPC keys (scheme/curve) independent of a
    single network, and generate raw signatures directly from a key.
- aid: dfns:dfns-transfers-api
  name: Dfns Transfers API
  tags:
  - Transfers
  - Payments
  - Broadcast
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.dfns.co/d/api-docs/wallets/transfer-asset-from-wallet
  baseURL: https://api.dfns.io
  properties:
  - url: https://docs.dfns.co/d/api-docs/wallets/transfer-asset-from-wallet
    type: Documentation
  - url: openapi/dfns-openapi.yml
    type: OpenAPI
  - url: collections/dfns.postman_collection.json
    type: PostmanCollection
  - url: collections/dfns.opencollection.json
    type: OpenCollection
  description: Initiate native, token (ERC-20/SPL), and NFT transfers from a wallet;
    Dfns builds, signs, and broadcasts the transaction and tracks its status.
- aid: dfns:dfns-transactions-api
  name: Dfns Transactions API
  tags:
  - Transactions
  - Broadcast
  - Smart Contracts
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.dfns.co/d/api-docs/wallets/broadcast-transaction-from-wallet
  baseURL: https://api.dfns.io
  properties:
  - url: https://docs.dfns.co/d/api-docs/wallets/broadcast-transaction-from-wallet
    type: Documentation
  - url: openapi/dfns-openapi.yml
    type: OpenAPI
  - url: collections/dfns.postman_collection.json
    type: PostmanCollection
  - url: collections/dfns.opencollection.json
    type: OpenCollection
  description: Sign and broadcast caller-supplied transactions - including smart
    contract calls - from a wallet, and list transaction requests and their status.
- aid: dfns:dfns-signatures-api
  name: Dfns Signatures API
  tags:
  - Signatures
  - Signing
  - EIP-712
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.dfns.co/d/api-docs/wallets/generate-signature-from-wallet
  baseURL: https://api.dfns.io
  properties:
  - url: https://docs.dfns.co/d/api-docs/wallets/generate-signature-from-wallet
    type: Documentation
  - url: openapi/dfns-openapi.yml
    type: OpenAPI
  - url: collections/dfns.postman_collection.json
    type: PostmanCollection
  - url: collections/dfns.opencollection.json
    type: OpenCollection
  description: Generate signatures (hash, message, EIP-712, transaction, PSBT) from a
    wallet or key without broadcasting, and retrieve signature request status.
- aid: dfns:dfns-policy-engine-api
  name: Dfns Policy Engine and Approvals API
  tags:
  - Policy Engine
  - Approvals
  - Governance
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.dfns.co/d/api-docs/policy-engine
  baseURL: https://api.dfns.io
  properties:
  - url: https://docs.dfns.co/d/api-docs/policy-engine
    type: Documentation
  - url: openapi/dfns-openapi.yml
    type: OpenAPI
  - url: collections/dfns.postman_collection.json
    type: PostmanCollection
  - url: collections/dfns.opencollection.json
    type: OpenCollection
  description: Define policies that govern activities (e.g. signing) with rules and
    actions (block, request approval), and drive the approval workflow via decisions.
- aid: dfns:dfns-webhooks-api
  name: Dfns Webhooks API
  tags:
  - Webhooks
  - Events
  - Notifications
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.dfns.co/d/api-docs/webhooks
  baseURL: https://api.dfns.io
  properties:
  - url: https://docs.dfns.co/d/api-docs/webhooks
    type: Documentation
  - url: openapi/dfns-openapi.yml
    type: OpenAPI
  - url: collections/dfns.postman_collection.json
    type: PostmanCollection
  - url: collections/dfns.opencollection.json
    type: OpenCollection
  description: Register HTTPS webhooks to receive events for wallet, transfer,
    signature, and policy activity; ping endpoints and inspect the event delivery log.
- aid: dfns:dfns-permissions-auth-api
  name: Dfns Permissions and Auth API
  tags:
  - Permissions
  - Auth
  - User Action Signing
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.dfns.co/d/api-docs/authentication
  baseURL: https://api.dfns.io
  properties:
  - url: https://docs.dfns.co/d/api-docs/authentication
    type: Documentation
  - url: https://docs.dfns.co/d/api-docs/authentication/user-action-signing
    type: APIReference
  - url: openapi/dfns-openapi.yml
    type: OpenAPI
  - url: collections/dfns.postman_collection.json
    type: PostmanCollection
  - url: collections/dfns.opencollection.json
    type: OpenCollection
  description: Manage permissions and assignments, users, login and delegated login,
    and the User Action Signing challenge/complete flow that authorizes sensitive
    operations.
- aid: dfns:dfns-service-accounts-api
  name: Dfns Service Accounts API
  tags:
  - Service Accounts
  - Machine Identity
  - Access Tokens
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.dfns.co/d/api-docs/authentication/service-account-management
  baseURL: https://api.dfns.io
  properties:
  - url: https://docs.dfns.co/d/api-docs/authentication/service-account-management
    type: Documentation
  - url: openapi/dfns-openapi.yml
    type: OpenAPI
  - url: collections/dfns.postman_collection.json
    type: PostmanCollection
  - url: collections/dfns.opencollection.json
    type: OpenCollection
  description: Create and manage service accounts (machine identities) and their
    access tokens for server-to-server API access, including activate/deactivate.
- aid: dfns:dfns-networks-api
  name: Dfns Networks API
  tags:
  - Networks
  - Fees
  - Blockchain Reads
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.dfns.co/d/api-docs/networks
  baseURL: https://api.dfns.io
  properties:
  - url: https://docs.dfns.co/d/api-docs/networks
    type: Documentation
  - url: openapi/dfns-openapi.yml
    type: OpenAPI
  - url: collections/dfns.postman_collection.json
    type: PostmanCollection
  - url: collections/dfns.opencollection.json
    type: OpenCollection
  description: Estimate network fees and perform read-only smart contract calls against
    supported blockchain networks without creating a transaction.
common:
- type: DomainSecurity
  url: security/dfns-domain-security.yml
- type: Authentication
  url: authentication/dfns-authentication.yml
- type: GitHubOrganization
  url: https://github.com/dfns
- type: LinkedIn
  url: https://www.linkedin.com/company/dfns
- type: Website
  url: https://www.dfns.co/
- type: Documentation
  url: https://docs.dfns.co/
- type: Plans
  url: plans/dfns-plans-pricing.yml
- type: RateLimits
  url: rate-limits/dfns-rate-limits.yml
- type: FinOps
  url: finops/dfns-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com