PolygonScan

PolygonScan is the leading blockchain explorer, search, API, and analytics platform for the Polygon PoS network. It provides a REST API for querying transactions, token transfers, smart contract source code, ERC-20/ERC-721/ERC-1155 balances, gas prices, and network statistics on the Polygon blockchain (Chain ID 137). API access is unified under Etherscan API V2, enabling access with a single API key across 60+ EVM-compatible chains.

PolygonScan publishes 1 API on the APIs.io network: API API. Tagged areas include Blockchain, Polygon, Explorer, Web3, and EVM.

The PolygonScan catalog on APIs.io includes 1 Spectral governance ruleset.

PolygonScan’s developer surface includes authentication, documentation, signup flow, engineering blog, status page, terms of service, privacy policy, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub

40.1/100 developing ▬ flat Agent 23/100 agent aware saas Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

AccessFreemiumSelf serve⚡ Free to try

1 APIs

Blockchain Polygon Explorer Web3 EVM Smart Contracts DeFi Cryptocurrency

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 40.1/100 · developing

Contract Quality 12.8 / 25

Developer Ergonomics 2.4 / 20

Access Clarity 13.4 / 20

Operational Transparency 4.1 / 13

Contract Governance 1.2 / 12

Discoverability 6.3 / 10

Agent readiness — 23/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 6 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 9 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 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 4 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Create-or-Update Ergonomics does not apply to this provider. The published contracts declare no write operations, and a read-only API cannot create-or-update. The facet is excluded from this provider's denominator entirely — not scored zero. A reference or data API is not deficient for being unable to upsert.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/polygonscan: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 1

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

PolygonScan API API

The API API from PolygonScan — 1 operation(s) for api.

Open Collections 2

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

API Collection

OPEN COLLECTION

PolygonScan API API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Plans

7 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Rate Limits

7 limits

RATE LIMITS

FinOps 1

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

Finops

FINOPS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

PolygonScan API Rules

6 rules · 4 warnings 2 info

SPECTRAL

JSON Schema 1

Standalone JSON Schema definitions for this provider's data models.

PolygonScan API Response

3 properties

JSON SCHEMA

Examples 4

Example request and response payloads for these APIs.

Get Balance

5 fields

EXAMPLE

Get Contract Abi

5 fields

EXAMPLE

Get Gas Oracle

5 fields

EXAMPLE

Get Transactions

5 fields

EXAMPLE

Security Posture 3

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

Polygonscan Authentication

apiKey · 1 scheme

SECURITY

Polygonscan Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Polygonscan Vulnerability Disclosure

disclosure policy published

SECURITY

Agentic Access 1

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

Polygonscan Agentic Access

1 operation

1 operations · 0 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

Signup

Signup

Login

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Access & Security 3

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 2

Status, limits, changes, and where to get help

Status

Status

Contact

Contact

Commercial 2

Pricing, plans, and the legal terms of use

Terms

Terms

Privacy

Privacy

Company 3

The organization behind the API

Website

Website

Blog

Blog

Twitter

Twitter

Source (apis.yml)

name: PolygonScan
description: PolygonScan is the leading blockchain explorer, search, API, and analytics platform for the Polygon PoS network.
  It provides a REST API for querying transactions, token transfers, smart contract source code, ERC-20/ERC-721/ERC-1155 balances,
  gas prices, and network statistics on the Polygon blockchain (Chain ID 137). API access is unified under Etherscan API V2,
  enabling access with a single API key across 60+ EVM-compatible chains.
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: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: medium
  source:
  - plans
  - authentication
  - security
  generated: '2026-09-03'
  method: derived
image: https://polygonscan.com/images/svg/brands/main.svg?v=24.1.2.0
tags:
- Blockchain
- Polygon
- Explorer
- Web3
- EVM
- Smart Contracts
- DeFi
- Cryptocurrency
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.23'
apis:
- aid: polygonscan:polygonscan-api-api
  name: PolygonScan API API
  description: The API API from PolygonScan — 1 operation(s) for api.
  humanURL: https://polygonscan.com/apis
  baseURL: https://api.etherscan.io/v2/api
  tags: []
  tags_raw:
  - API
  properties:
  - type: OpenAPI
    url: openapi/polygonscan-api-api-openapi.yml
  - type: Documentation
    url: https://docs.etherscan.io/etherscan-v2
  - type: Authentication
    url: https://polygonscan.com/myapikey
  - type: RateLimits
    url: https://info.polygonscan.com/api-return-errors/
  - type: Plans
    url: https://polygonscan.com/apis
  - type: TermsOfService
    url: https://polygonscan.com/apiterms
  - type: x-plans
    url: plans/plans.yml
  - type: x-rate-limits
    url: rate-limits/rate-limits.yml
  - type: x-finops
    url: finops/finops.yml
  - type: x-json-schema
    url: json-schema/api-response.json
  - type: x-json-ld
    url: json-ld/jsonld.json
common:
- type: AgenticAccess
  url: agentic-access/polygonscan-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/polygonscan-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/polygonscan-domain-security.yml
- type: Authentication
  url: authentication/polygonscan-authentication.yml
- type: Website
  url: https://polygonscan.com/
- type: Documentation
  url: https://docs.etherscan.io/etherscan-v2
- type: Signup
  url: https://polygonscan.com/register
- type: Login
  url: https://polygonscan.com/login
- type: Blog
  url: https://polygonscan.com/blogs
- type: Status
  url: https://etherscan.freshstatus.io/
- type: Terms
  url: https://polygonscan.com/terms
- type: Privacy
  url: https://polygonscan.com/privacypolicy
- type: Contact
  url: https://polygonscan.com/contactus
- type: Twitter
  url: https://twitter.com/polygonscan

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