Materialize website screenshot

Materialize

Materialize is an operational data warehouse that uses streaming SQL views maintained with sub-second latency. It exposes a PostgreSQL wire-compatible interface and a session-less HTTP API for SQL execution.

Materialize publishes 2 APIs on the APIs.io network: Streaming Sources and Sinks (AsyncAPI) and Sql API. Tagged areas include Streaming, Data Warehouse, SQL, Real-Time, and PostgreSQL Compatible.

The Materialize catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 Spectral governance ruleset.

Materialize’s developer surface includes authentication, developer portal, pricing, engineering blog, and 9 more developer resources.

49.1/100 developing ▬ flat Agent 36/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
4 APIs
StreamingData WarehouseSQLReal-TimePostgreSQL Compatible

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 49.1/100 · developing
Contract Quality 14.8 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 11.6 / 20
Operational Transparency 4.8 / 13
Governance 6.3 / 12
Discoverability 7.4 / 10
Agent readiness — 36/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 6 / 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
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/materialize: 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 4

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

Materialize HTTP API

Session-less HTTP API for executing SQL statements against a Materialize region. Authenticates with HTTP Basic (email + app password). Supports a simple mode with a single query...

Materialize PostgreSQL Wire Protocol

Materialize speaks the PostgreSQL wire protocol on port 6875, so any psql or libpq-based client (Go, Java, Node.js, PHP, Python, Ruby, Rust) can connect and run streaming SQL.

Materialize Streaming Sources and Sinks (AsyncAPI)

AsyncAPI 2.6 description of Materialize's event-driven integration surface: Kafka sources (CREATE SOURCE ... FROM KAFKA), Kafka sinks (CREATE SINK ... INTO KAFKA), and HTTP webh...

Materialize Sql API

The Sql API from Materialize — 1 operation(s) for sql.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Materialize HTTP API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Materialize Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Event Specifications 1

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

Materialize Streaming Sources and Sinks

AsyncAPI description of Materialize's streaming integration surface. Materialize is an operational data warehouse that ingests events from external message brokers and HTTP webh...

ASYNCAPI

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Materialize API Rules

6 rules · 6 warnings

SPECTRAL

Security Posture 3

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

Materialize Authentication

http · 1 scheme

SECURITY

Materialize Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Materialize Agentic Access

1 operation · 1 acting

1 operations · 1 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 3

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: materialize
url: https://raw.githubusercontent.com/api-evangelist/materialize/refs/heads/main/apis.yml
name: Materialize
kind: company
description: Materialize is an operational data warehouse that uses streaming SQL views maintained with sub-second latency.
  It exposes a PostgreSQL wire-compatible interface and a session-less HTTP API for SQL execution.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/materialize.png
tags:
- Streaming
- Data Warehouse
- SQL
- Real-Time
- PostgreSQL Compatible
created: '2026-05-08'
modified: '2026-05-29'
specificationVersion: '0.19'
apis:
- aid: materialize:materialize-http-api
  name: Materialize HTTP API
  humanURL: https://materialize.com/docs/integrations/http-api/
  baseURL: https://{mz_host}/api/sql
  tags:
  - SQL
  - HTTP
  - Streaming
  description: Session-less HTTP API for executing SQL statements against a Materialize region. Authenticates with HTTP Basic
    (email + app password). Supports a simple mode with a single query and an extended mode that submits an array of queries,
    each with optional parameters. Does not support session-bound statements such as SUBSCRIBE, DECLARE, FETCH, or COPY.
  properties:
  - type: Documentation
    url: https://materialize.com/docs/integrations/http-api/
  - type: Authentication
    url: https://materialize.com/docs/manage/access-control/
- aid: materialize:materialize-pgwire
  name: Materialize PostgreSQL Wire Protocol
  humanURL: https://materialize.com/docs/integrations/
  baseURL: postgres://{user}@{mz_host}:6875/materialize
  tags:
  - SQL
  - PostgreSQL
  - psql
  - Wire Protocol
  description: Materialize speaks the PostgreSQL wire protocol on port 6875, so any psql or libpq-based client (Go, Java,
    Node.js, PHP, Python, Ruby, Rust) can connect and run streaming SQL.
  properties:
  - type: Documentation
    url: https://materialize.com/docs/integrations/
- aid: materialize:materialize-streaming-asyncapi
  name: Materialize Streaming Sources and Sinks (AsyncAPI)
  humanURL: https://materialize.com/docs/sql/create-source/
  baseURL: https://materialize.com/docs/
  tags:
  - Streaming
  - Kafka
  - Webhooks
  - AsyncAPI
  - Sources
  - Sinks
  description: 'AsyncAPI 2.6 description of Materialize''s event-driven integration surface: Kafka sources (CREATE SOURCE
    ... FROM KAFKA), Kafka sinks (CREATE SINK ... INTO KAFKA), and HTTP webhook sources (CREATE SOURCE ... FROM WEBHOOK).
    SUBSCRIBE is documented in the spec as an informational pgwire server only; AsyncAPI 2.6 has no standard binding for the
    PostgreSQL wire protocol, so it is intentionally not modelled as a channel.'
  properties:
  - type: AsyncAPI
    url: asyncapi/materialize-asyncapi.yml
  - type: Documentation
    url: https://materialize.com/docs/sql/create-source/kafka/
  - type: Documentation
    url: https://materialize.com/docs/sql/create-sink/kafka/
  - type: Documentation
    url: https://materialize.com/docs/sql/create-source/webhook/
  - type: Documentation
    url: https://materialize.com/docs/sql/subscribe/
- aid: materialize:materialize-sql-api
  name: Materialize Sql API
  description: The Sql API from Materialize — 1 operation(s) for sql.
  humanURL: https://materialize.com/docs/integrations/http-api/
  baseURL: https://{mz_host}/api/sql
  tags:
  - Sql
  properties:
  - type: OpenAPI
    url: openapi/materialize-sql-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/materialize-agentic-access.yml
- type: TrustCenter
  url: security/materialize-trust-center.yml
- type: DomainSecurity
  url: security/materialize-domain-security.yml
- type: Authentication
  url: authentication/materialize-authentication.yml
- type: GitHubOrganization
  url: https://github.com/MaterializeInc
- type: LinkedIn
  url: https://www.linkedin.com/company/materializeinc
- type: Website
  url: https://materialize.com/
- type: Portal
  url: https://materialize.com/docs/
- type: Pricing
  url: https://materialize.com/pricing
- type: Plans
  url: plans/materialize-plans-pricing.yml
- type: RateLimits
  url: rate-limits/materialize-rate-limits.yml
- type: FinOps
  url: finops/materialize-finops.yml
- url: https://materialize.com/rss.xml
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com