Allium

Allium is an enterprise blockchain data platform that transforms raw on-chain data from 150+ blockchains into verified, decision-grade intelligence for institutional finance. It indexes and decodes activity across 10,000+ protocols and exposes it through Realtime REST APIs (sub-second wallet balances, holdings, PnL, DeFi positions, NFTs, DEX trades and Hyperliquid data), Datastreams (Kafka/Pub-Sub/SNS/websocket event feeds), Beam custom pipelines, the Explorer/Datashares historical layer, and Allium Terminal for research. It also ships an AI layer: a hosted MCP server, packaged Agent Skills, and x402 machine-payment endpoints. Customers include Visa, Grayscale, Phantom, MetaMask, MoonPay and the Federal Reserve. Backed by Amplify Partners, Kleiner Perkins and Theory Ventures.

Allium publishes 3 APIs on the APIs.io network: Explorer API, ping API, and Polygon API. Tagged areas include Company, Data Analytics, Blockchain, Crypto, and Web3.

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

Allium’s developer surface includes documentation, API reference, getting-started guide, signup flow, engineering blog, support, pricing, and 24 more developer resources.

🌐 Visit website 📡 Source on GitHub

56.3/100 strong ▬ flat Agent 41/100 agent ready saas Full breakdown ↓
scored 2026-08-30 · rubric v0.17.2

AccessSelf serve

1 APIs 1 MCP Servers

Company Data Analytics Blockchain Crypto Web3 Data Infrastructure Real-Time Data Stablecoins DeFiMachine Payments

Kin Score

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

Composite quality — 56.3/100 · strong

Contract Quality 12.1 / 21

Developer Ergonomics 10.9 / 17

Access Clarity 10.3 / 17

Operational Transparency 4.4 / 11

Contract Governance 1.9 / 10

Discoverability 6.5 / 9

Regulatory Posture 7.0 / 15

Agent readiness — 41/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 6 / 6

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 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/allium: 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 3

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

MCP Servers 1

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

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

SignUp

SignUp

Documentation 3

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

OpenAPI

OpenAPI

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

MCPServer

AgentSkill

AgenticAccess

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Conformance

ErrorCatalog

Conventions

Lifecycle

DataModel

Webhooks

Build 1

SDKs, sample code, and the tooling you integrate with

Packages

Packages

Access & Security 4

Authentication, authorization, and security posture

TrustCenter

Compliance

Authentication

DomainSecurity

Operate 4

Status, limits, changes, and where to get help

Support

StatusPage

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

Other 1

Properties that don't map to a standard resource type

Overlay

Overlay

Source (apis.yml)

aid: allium
name: Allium
description: 'Allium is an enterprise blockchain data platform that transforms raw on-chain data from 150+ blockchains into
  verified, decision-grade intelligence for institutional finance. It indexes and decodes activity across 10,000+ protocols
  and exposes it through Realtime REST APIs (sub-second wallet balances, holdings, PnL, DeFi positions, NFTs, DEX trades and
  Hyperliquid data), Datastreams (Kafka/Pub-Sub/SNS/websocket event feeds), Beam custom pipelines, the Explorer/Datashares
  historical layer, and Allium Terminal for research. It also ships an AI layer: a hosted MCP server, packaged Agent Skills,
  and x402 machine-payment endpoints. Customers include Visa, Grayscale, Phantom, MetaMask, MoonPay and the Federal Reserve.
  Backed by Amplify Partners, Kleiner Perkins and Theory Ventures.'
url: https://raw.githubusercontent.com/api-evangelist/allium/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- amplify-partners
- kleiner-perkins
x-tier: stub
x-tier-reason: portfolio-lead
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
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
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-17'
image: https://www.allium.so/favicon.ico
tags:
- Company
- Data Analytics
- Blockchain
- Crypto
- Web3
- Data Infrastructure
- Real-Time Data
- Stablecoins
- DeFi
- Machine Payments
apis:
- aid: allium:allium-explorer-api
  name: Allium Explorer API
  description: The Explorer API from Allium — 6 operation(s) for explorer.
  humanURL: https://docs.allium.so/api/developer/overview
  baseURL: https://api.allium.so
  tags:
  - Explorer
  properties:
  - type: OpenAPI
    url: openapi/allium-explorer-api-openapi.yml
  - type: Authentication
    url: authentication/allium-authentication.yml
- aid: allium:allium-ping-api
  name: Allium ping API
  description: The ping API from Allium — 1 operation(s) for ping.
  humanURL: https://docs.allium.so/api/developer/overview
  baseURL: https://api.allium.so
  tags:
  - Ping
  tags_raw:
  - ping
  properties:
  - type: OpenAPI
    url: openapi/allium-ping-api-openapi.yml
  - type: Authentication
    url: authentication/allium-authentication.yml
- aid: allium:allium-polygon-api
  name: Allium Polygon API
  description: The Polygon API from Allium — 1 operation(s) for polygon.
  humanURL: https://docs.allium.so/api/developer/overview
  baseURL: https://api.allium.so
  tags:
  - Polygon
  properties:
  - type: OpenAPI
    url: openapi/allium-polygon-api-openapi.yml
  - type: Authentication
    url: authentication/allium-authentication.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: TrustCenter
  url: security/allium-trust-center.yml
- type: Website
  url: https://allium.so
- type: DeveloperPortal
  url: https://app.allium.so/
- type: Documentation
  url: https://docs.allium.so/
- type: APIReference
  url: https://docs.allium.so/api/developer/overview
- type: GettingStarted
  url: https://docs.allium.so/api/developer/overview
- type: SignUp
  url: https://app.allium.so/join
- type: Blog
  url: https://www.allium.so/blog
- type: Support
  url: https://www.allium.so/contact
- type: Pricing
  url: https://docs.allium.so/ai/machine-payments/endpoints-pricing
- type: TermsOfService
  url: https://www.allium.so/terms-of-service
- type: PrivacyPolicy
  url: https://www.allium.so/privacy-policy
- type: StatusPage
  url: https://status.allium.so
- type: ChangeLog
  url: https://docs.allium.so/changelog/overview
- type: Compliance
  url: https://trust.allium.so/
- type: OpenAPI
  url: openapi/_original/allium-openapi-original.json
- type: LLMsTxt
  url: llms/allium-llms.txt
- type: MCPServer
  url: mcp/allium-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Packages
  url: packages/allium-packages.yml
- type: Authentication
  url: authentication/allium-authentication.yml
- type: Conformance
  url: conformance/allium-conformance.yml
- type: DomainSecurity
  url: security/allium-domain-security.yml
- type: ErrorCatalog
  url: errors/allium-problem-types.yml
- type: Conventions
  url: conventions/allium-conventions.yml
- type: Lifecycle
  url: lifecycle/allium-lifecycle.yml
- type: DataModel
  url: data-model/allium-data-model.yml
- type: Overlay
  url: overlays/allium-openapi-overlay.yaml
- type: ChangeLog
  url: changelog/allium-changelog.yml
- type: AgenticAccess
  url: agentic-access/allium-agentic-access.yml
- type: Webhooks
  url: asyncapi/allium-webhooks.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

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Allium

Kin Score

APIs 3

Allium Explorer API

Allium ping API

Allium Polygon API

Open Collections 4

API Collection

Allium Explorer API

Allium Explorer ping API

Allium Explorer Polygon API

MCP Servers 1

Allium MCP Server

Event Specifications 1

Allium Webhooks

Security Posture 3

Allium Authentication

Allium Domain Security

Allium Trust Center

Agentic Access 1

Allium Agentic Access

Resources