Utila

Utila is an institutional digital asset wallet and stablecoin infrastructure platform for fintechs and enterprises. Built on MPC (multi-party computation) key management, it provides secure custody with policy-driven governance, embedded compliance and AML screening, and a resource-oriented REST API for programmatically managing vaults, MPC wallets, addresses, balances, and transactions across many blockchains — including sponsored (gas-abstracted) transfers, transaction simulation, an automated Co-Signer for signing workflows, webhooks, and a first-party CLI.

Utila publishes 7 APIs on the APIs.io network, including Address Book API, Assets API, Balances API, and 4 more. Tagged areas include Company, Web3, Digital Assets, Stablecoins, and Custody.

The Utila catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Utila’s developer surface includes documentation, API reference, getting-started guide, engineering blog, pricing, support, authentication, and 26 more developer resources.

🌐 Visit website 📡 Source on GitHub
62.0/100 strong ▬ flat Agent 61/100 agent native Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
7 APIs 1 MCP Servers
CompanyWeb3Digital AssetsStablecoinsCustodyMPC WalletsBlockchainPaymentsTreasury

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 62.0/100 · strong
Contract Quality 16.4 / 25
Developer Ergonomics 16.1 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 6.8 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 61/100 · agent native
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 6 / 6
Agent Skills 5 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/utila: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 7

Individual APIs this provider publishes, each with its own machine-readable definition.

Utila Address Book API

The Address Book API from Utila — 5 operation(s) for address book.

Utila Assets API

The Assets API from Utila — 3 operation(s) for assets.

Utila Balances API

The Balances API from Utila — 5 operation(s) for balances.

Utila Blockchains API

The Blockchains API from Utila — 4 operation(s) for blockchains.

Utila Transactions API

The Transactions API from Utila — 11 operation(s) for transactions.

Utila Vaults API

The Vaults API from Utila — 2 operation(s) for vaults.

Utila Wallets API

The Wallets API from Utila — 10 operation(s) for wallets.

Scroll for all 7

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

utila-mcp.yml

MCP SERVER

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Utila Webhooks

ASYNCAPI

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Utila Authentication

http · 1 scheme

SECURITY

Utila Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Utila Trust Center

SOC 2 Type II

SECURITY

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 Login
Login

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

MCPServer
MCPServer
 LLMsTxt
LLMsTxt
 WellKnown
WellKnown
 AgentSkill
AgentSkill

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

ErrorCatalog
ErrorCatalog
 Lifecycle
Lifecycle
 Conventions
Conventions
 Conformance
Conformance
 Webhooks
Webhooks
 DataModel
DataModel

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 CLI
CLI
 Packages
Packages
 SDKs
SDKs

Access & Security 4

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 Compliance
Compliance
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 5

Status, limits, changes, and where to get help

Contact
Contact
 Support
Support
 StatusPage
StatusPage
 Deprecation
Deprecation
 ChangeLog
ChangeLog

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: utila
name: Utila
description: Utila is an institutional digital asset wallet and stablecoin infrastructure platform for fintechs and enterprises.
  Built on MPC (multi-party computation) key management, it provides secure custody with policy-driven governance, embedded
  compliance and AML screening, and a resource-oriented REST API for programmatically managing vaults, MPC wallets, addresses,
  balances, and transactions across many blockchains — including sponsored (gas-abstracted) transfers, transaction simulation,
  an automated Co-Signer for signing workflows, webhooks, and a first-party CLI.
url: https://raw.githubusercontent.com/api-evangelist/utila/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- wing-venture-capital
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 21
  pass: local-v1
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/utila.png
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Web3
- Digital Assets
- Stablecoins
- Custody
- MPC Wallets
- Blockchain
- Payments
- Treasury
apis:
- aid: utila:utila-address-book-api
  name: Utila Address Book API
  description: The Address Book API from Utila — 5 operation(s) for address book.
  humanURL: https://docs.utila.io/reference/api-overview
  baseURL: https://api.utila.io
  tags:
  - Address Book
  properties:
  - type: OpenAPI
    url: openapi/utila-address-book-api-openapi.yml
  - type: Documentation
    url: https://docs.utila.io/
- aid: utila:utila-assets-api
  name: Utila Assets API
  description: The Assets API from Utila — 3 operation(s) for assets.
  humanURL: https://docs.utila.io/reference/api-overview
  baseURL: https://api.utila.io
  tags:
  - Assets
  properties:
  - type: OpenAPI
    url: openapi/utila-assets-api-openapi.yml
  - type: Documentation
    url: https://docs.utila.io/
- aid: utila:utila-balances-api
  name: Utila Balances API
  description: The Balances API from Utila — 5 operation(s) for balances.
  humanURL: https://docs.utila.io/reference/api-overview
  baseURL: https://api.utila.io
  tags:
  - Balances
  properties:
  - type: OpenAPI
    url: openapi/utila-balances-api-openapi.yml
  - type: Documentation
    url: https://docs.utila.io/
- aid: utila:utila-blockchains-api
  name: Utila Blockchains API
  description: The Blockchains API from Utila — 4 operation(s) for blockchains.
  humanURL: https://docs.utila.io/reference/api-overview
  baseURL: https://api.utila.io
  tags:
  - Blockchains
  properties:
  - type: OpenAPI
    url: openapi/utila-blockchains-api-openapi.yml
  - type: Documentation
    url: https://docs.utila.io/
- aid: utila:utila-transactions-api
  name: Utila Transactions API
  description: The Transactions API from Utila — 11 operation(s) for transactions.
  humanURL: https://docs.utila.io/reference/api-overview
  baseURL: https://api.utila.io
  tags:
  - Transactions
  properties:
  - type: OpenAPI
    url: openapi/utila-transactions-api-openapi.yml
  - type: Documentation
    url: https://docs.utila.io/
- aid: utila:utila-vaults-api
  name: Utila Vaults API
  description: The Vaults API from Utila — 2 operation(s) for vaults.
  humanURL: https://docs.utila.io/reference/api-overview
  baseURL: https://api.utila.io
  tags:
  - Vaults
  properties:
  - type: OpenAPI
    url: openapi/utila-vaults-api-openapi.yml
  - type: Documentation
    url: https://docs.utila.io/
- aid: utila:utila-wallets-api
  name: Utila Wallets API
  description: The Wallets API from Utila — 10 operation(s) for wallets.
  humanURL: https://docs.utila.io/reference/api-overview
  baseURL: https://api.utila.io
  tags:
  - Wallets
  properties:
  - type: OpenAPI
    url: openapi/utila-wallets-api-openapi.yml
  - type: Documentation
    url: https://docs.utila.io/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://utila.io/
- type: DeveloperPortal
  url: https://docs.utila.io/
- type: Documentation
  url: https://docs.utila.io/
- type: APIReference
  url: https://docs.utila.io/reference/api-overview
- type: GettingStarted
  url: https://docs.utila.io/reference/example-client
- type: Blog
  url: https://utila.io/blog
- type: GitHubOrganization
  url: https://github.com/utila-io
- type: Pricing
  url: https://utila.io/pricing
- type: Login
  url: https://console.utila.io/
- type: TermsOfService
  url: https://utila.io/legal/terms-of-use
- type: PrivacyPolicy
  url: https://utila.io/legal/privacy-policy
- type: Contact
  url: https://utila.io/contact
- type: Support
  url: https://support.utila.io/
- type: StatusPage
  url: https://status.utila.io/
- type: TrustCenter
  url: security/utila-trust-center.yml
- type: Compliance
  url: https://trust.utila.io/
- type: DomainSecurity
  url: security/utila-domain-security.yml
- type: Authentication
  url: authentication/utila-authentication.yml
- type: ErrorCatalog
  url: errors/utila-problem-types.yml
- type: Lifecycle
  url: lifecycle/utila-lifecycle.yml
- type: Deprecation
  url: lifecycle/utila-lifecycle.yml
- type: ChangeLog
  url: changelog/utila-changelog.yml
- type: Conventions
  url: conventions/utila-conventions.yml
- type: Conformance
  url: conformance/utila-conformance.yml
- type: CLI
  url: cli/utila-cli.yml
- type: Webhooks
  url: asyncapi/utila-webhooks.yml
- type: MCPServer
  url: mcp/utila-mcp.yml
- type: LLMsTxt
  url: llms/utila-llms.txt
- type: WellKnown
  url: well-known/utila-well-known.yml
- type: Packages
  url: packages/utila-packages.yml
- type: SDKs
  url: packages/utila-packages.yml
- type: AgentSkill
  url: skills/_index.yml
- type: DataModel
  url: data-model/utila-data-model.yml