Bastion

Bastion is a full-stack, regulated stablecoin infrastructure platform for enterprises and financial institutions. Founded in 2023 and based in Campbell, California by former a16z crypto leaders, Bastion lets companies securely issue, custody, move, and convert USD-backed stablecoins under Bastion's licenses or their own. Its API-first product suite spans a Regulated Wallet API (create unlimited custodial wallets with Cloud HSM and enclave-based key management), stablecoin issuance, on/off-ramps, and payments, plus Compliance-as-a-Service that handles KYC and AML. Bastion Platforms Trust Company, LLC is chartered as a limited purpose trust company by the New York State Department of Financial Services, and Bastion Platforms US, LLC is a registered MSB (NMLS ID 2523302) with broad money-transmitter-license coverage across the United States. Bastion has raised over $40M from a16z crypto, Coinbase Ventures, and others.

Bastion publishes 1 API on the APIs.io network. Tagged areas include Company, Stablecoins, Payments, Wallets, and Custody.

Bastion’s developer surface includes documentation, API reference, getting-started guide, signup flow, and 14 more developer resources.

🌐 Visit website 📡 Source on GitHub

30.1/100 thin ▬ flat Agent 0/100 human only saas Full breakdown ↓
scored 2026-08-30 · rubric v0.17.2

1 APIs

Company Stablecoins Payments Wallets Custody Web3 Compliance Crypto Infrastructure Financial-ServicesOn/Off-Ramps

Kin Score

Kin Score How this is scored →
scored 2026-08-30 · rubric v0.17.2

Composite quality — 30.1/100 · thin

Contract Quality 0.0 / 21

Developer Ergonomics 4.7 / 17

Access Clarity 8.5 / 17

Operational Transparency 2.9 / 11

Contract Governance 1.9 / 10

Discoverability 5.8 / 9

Regulatory Posture 7.0 / 15

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Payments regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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/bastion: 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 1

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

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

SignUp

SignUp

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Lifecycle

Lifecycle

Conformance

Conformance

Access & Security 5

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

Security

Compliance

TrustCenter

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

StatusPage

StatusPage

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 3

The organization behind the API

Careers

Careers

Twitter

Twitter

LinkedIn

Source (apis.yml)

aid: bastion
name: Bastion
description: Bastion is a full-stack, regulated stablecoin infrastructure platform for enterprises and financial institutions.
  Founded in 2023 and based in Campbell, California by former a16z crypto leaders, Bastion lets companies securely issue,
  custody, move, and convert USD-backed stablecoins under Bastion's licenses or their own. Its API-first product suite spans
  a Regulated Wallet API (create unlimited custodial wallets with Cloud HSM and enclave-based key management), stablecoin
  issuance, on/off-ramps, and payments, plus Compliance-as-a-Service that handles KYC and AML. Bastion Platforms Trust Company,
  LLC is chartered as a limited purpose trust company by the New York State Department of Financial Services, and Bastion
  Platforms US, LLC is a registered MSB (NMLS ID 2523302) with broad money-transmitter-license coverage across the United
  States. Bastion has raised over $40M from a16z crypto, Coinbase Ventures, and others.
url: https://raw.githubusercontent.com/api-evangelist/bastion/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- a16z
x-tier: stub
x-tier-reason: portfolio-lead
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://framerusercontent.com/images/pTrMs5MJstsls9S7X45qlr99Pc.png
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Stablecoins
- Payments
- Wallets
- Custody
- Web3
- Compliance
- Crypto Infrastructure
- Financial-Services
- On/Off-Ramps
tags_raw:
- Company
- Stablecoins
- Payments
- Wallets
- Custody
- Web3
- Compliance
- Crypto Infrastructure
- Financial Services
- On/Off-Ramps
apis:
- name: Bastion API
  description: 'Bastion''s REST API for regulated stablecoin infrastructure: create and manage custodial wallets, issue and
    convert stablecoins, run on/off-ramps, and move digital assets, with built-in KYC/AML compliance. Backed by Cloud HSM
    and enclave-based key management.'
  humanURL: https://docs.bastion.com/reference
  baseURL: https://api.prod.bastion.com/v2/
  tags:
  - Stablecoins
  - Wallets
  - Payments
  - Custody
  properties:
  - type: Documentation
    url: https://docs.bastion.com/
  - type: APIReference
    url: https://docs.bastion.com/reference
  - type: GettingStarted
    url: https://docs.bastion.com/recipes
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: VulnerabilityDisclosure
  url: security/bastion-vulnerability-disclosure.yml
- type: Security
  url: security/bastion-vulnerability-disclosure.yml
- type: DeveloperPortal
  url: https://bastion.com/
- type: Documentation
  url: https://docs.bastion.com/
- type: APIReference
  url: https://docs.bastion.com/reference
- type: GettingStarted
  url: https://docs.bastion.com/recipes
- type: StatusPage
  url: https://status.bastion.com/
- type: Compliance
  url: https://bastion.com/disclosures
- type: TrustCenter
  url: https://bastion.com/subprocessor-list
- type: TermsOfService
  url: https://bastion.com/terms-of-service
- type: PrivacyPolicy
  url: https://bastion.com/privacy-policy
- type: SignUp
  url: https://bastion.com/request-demo
- type: Careers
  url: https://bastion.com/careers
- type: Twitter
  url: https://x.com/Bastion
- type: LinkedIn
  url: https://www.linkedin.com/company/bastionplatforms
- type: Lifecycle
  url: lifecycle/bastion-lifecycle.yml
- type: DomainSecurity
  url: security/bastion-domain-security.yml
- type: Conformance
  url: conformance/bastion-conformance.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

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