Gas Fee Predictor

Gas Fee Predictor is a free Ethereum gas utility that provides live mainnet and Layer‑2 gas prices, forecasts fee trends, and offers alerts without requiring sign‑up or API keys. It helps users find cheaper transaction windows, compare L2 costs, and embed gas data via a lightweight widget. The service tracks gas movements minute‑by‑minute and presents them in an easy‑to‑understand dashboard and API.

Gas Fee Predictor publishes 3 API contracts indexed on the APIs.io network: L2 API, Mainnet API, and Price API. Tagged areas include Company, Ethereum, Gas, Utility, and Free.

The Gas Fee Predictor catalog on APIs.io includes 1 Spectral governance ruleset.

Gas Fee Predictor’s developer surface includes pricing, engineering blog, API reference, and 15 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

35.1/100 thin Agent 20/100 agent aware Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

AccessFree

2 published contracts 1 MCP Servers

Company Ethereum Gas Utility Free

Kin Score

Kin Score How this is scored →
scored 2026-11-13 · rubric v0.28.0

Composite quality — 35.1/100 · thin

Contract Quality 10.4 / 21

Developer Ergonomics 3.2 / 17

Access Clarity 9.0 / 17

Operational Transparency 0.0 / 11

Contract Governance 2.2 / 10

Discoverability 5.2 / 9

Regulatory Posture 1.6 / 15

Agent readiness — 20/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 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 Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Energy & Utilities 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.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

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/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey) Ask about this →
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented) Ask about this →
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes Ask about this →
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0 Ask about this →
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented) Ask about this →
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link Ask about this →

10 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Developer Ergonomics scores 19.0 — up to +16.2 composite points Ask about this →
Operational Transparency scores 0.0 — up to +13.0 composite points Ask about this →
Contract Quality scores 49.0 — up to +12.8 composite points Ask about this →

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Not sure how this applies to your stack? Ask about any one item. Kin Lane reads every question, looks at your profile and your situation, and replies with what a fix would take — scoped to that one area, priced up front, yours whether you ship it or not. Ask a question →

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 the provider profile at artifacts.apis.io/gasfeepredictor-com/apis.yml: open an issue on github.com/api-evangelist/gasfeepredictor-com to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 2

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

Model Context Protocol (MCP)

measured — observed by APIs.io (documented)

OpenAPI

measured — observed by APIs.io (published)

APIs 3

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

Gas Fee Predictor L2 API

Layer 2 (Arbitrum, Optimism, Base, Polygon) gas data

Gas Fee Predictor Mainnet API

Ethereum mainnet gas data

Gas Fee Predictor Price API

ETH/USD price data

MCP Servers 1

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

Gas Fee Predictor MCP Server

Remote MCP server at api.gasfeepredictor.com.

MCP SERVER

Gas Fee Predictor API pricing

Prices published by Gas Fee Predictor, read 2026-11-09 from gasfeepredictor.com/pricing. A free plan or tier is listed.

Plan	Price
Free	Free for now

Plan details, limits and sources →

Pricing Plans 1

Published pricing tiers and plan structures.

Gas Fee Predictor Plans Pricing

1 plans

PLANS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs. Counts are the severity each rule declares, not results of running them.

Gas Fee Predictor API Rules

32 rules · 30 error-severity 1 warn-severity 1 info-severity

SPECTRAL

Security Posture 1

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

Gas Fee Predictor Domain Security

TLSv1.3 · DMARC

SECURITY

Agentic Access (API Evangelist recommendations) 1

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

Gas Fee Predictor Agentic Access

7 operations

7 operations · 0 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

Login

DeveloperPortal

DeveloperPortal

Documentation 1

Reference material describing how the API behaves

APIReference

APIReference

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

LLMsTxt

LLMsTxt

MCPServer

MCPServer

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

Spectral

Spectral

Vocabulary

Vocabulary

Conformance

Conformance

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Commercial 4

Pricing, plans, and the legal terms of use

Plans

TermsOfService

PrivacyPolicy

Pricing

Company 2

The organization behind the API

Blog

Blog

Website

Website

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: gasfeepredictor-com
name: Gas Fee Predictor
description: Gas Fee Predictor is a free Ethereum gas utility that provides live mainnet and Layer‑2 gas prices, forecasts
  fee trends, and offers alerts without requiring sign‑up or API keys. It helps users find cheaper transaction windows, compare
  L2 costs, and embed gas data via a lightweight widget. The service tracks gas movements minute‑by‑minute and presents them
  in an easy‑to‑understand dashboard and API.
url: https://artifacts.apis.io/gasfeepredictor-com/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-09 (modular-v1; was harvest)
accessModel:
  pricing: free
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Free
  confidence: low
  source:
  - plans
  - security
  generated: '2026-11-13'
  method: derived
specificationVersion: '0.20'
created: '2026-11-09'
modified: '2026-11-09'
tags:
- Company
- Ethereum
- Gas
- Utility
- Free
tags_raw:
- Company
- Ethereum
- Gas
- API
- Utility
- Free
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/gasfeepredictor-com-agentic-access.yml
- type: Plans
  url: plans/gasfeepredictor-com-plans-pricing.yml
- type: Spectral
  url: rules/gasfeepredictor-com-rules.yml
- type: Vocabulary
  url: vocabulary/gasfeepredictor-com-vocabulary.yml
- type: Conformance
  url: conformance/gasfeepredictor-com-conformance.yml
- type: LLMsTxt
  url: llms/gasfeepredictor-com-llms.txt
- type: MCPServer
  url: mcp/gasfeepredictor-com-mcp.yml
- type: Hosts
  url: hosts/gasfeepredictor-com-hosts.yml
- type: Vendors
  url: vendors/gasfeepredictor-com-vendors.yml
- type: TermsOfService
  url: https://gasfeepredictor.com/terms
- type: PrivacyPolicy
  url: https://gasfeepredictor.com/privacy
- type: Pricing
  url: https://gasfeepredictor.com/pricing
- type: Login
  url: https://gasfeepredictor.com/login
- type: Blog
  url: https://gasfeepredictor.com/blog
- type: DeveloperPortal
  url: https://api.gasfeepredictor.com<!--
- type: APIReference
  url: https://gasfeepredictor.com/docs/api
- type: DomainSecurity
  url: security/gasfeepredictor-com-domain-security.yml
- type: Website
  url: https://gasfeepredictor.com/
apis:
- aid: gasfeepredictor-com:gasfeepredictor-com-l2-api
  name: Gas Fee Predictor L2 API
  description: Layer 2 (Arbitrum, Optimism, Base, Polygon) gas data
  humanURL: https://gasfeepredictor.com/docs/api
  baseURL: https://api.gasfeepredictor.com
  tags:
  - Layer 2
  tags_raw:
  - l2
  properties:
  - type: OpenAPI
    url: openapi/gasfeepredictor-com-l2-api-openapi.yml
- aid: gasfeepredictor-com:gasfeepredictor-com-mainnet-api
  name: Gas Fee Predictor Mainnet API
  description: Ethereum mainnet gas data
  humanURL: https://gasfeepredictor.com/docs/api
  baseURL: https://api.gasfeepredictor.com
  tags:
  - Mainnet
  tags_raw:
  - mainnet
  properties:
  - type: OpenAPI
    url: openapi/gasfeepredictor-com-mainnet-api-openapi.yml
- aid: gasfeepredictor-com:gasfeepredictor-com-price-api
  name: Gas Fee Predictor Price API
  description: ETH/USD price data
  humanURL: https://gasfeepredictor.com/docs/api
  baseURL: https://api.gasfeepredictor.com
  tags:
  - Price
  tags_raw:
  - price
  properties:
  - type: OpenAPI
    url: openapi/gasfeepredictor-com-price-api-openapi.yml
x-enrichment:
  date: '2026-11-09'
  status: nochange
  artifacts_added: 0
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

Gas Fee Predictor API — frequently asked questions

Does Gas Fee Predictor have an API?

Yes. APIs.io lists 3 APIs from Gas Fee Predictor, including Gas Fee Predictor L2 API, Gas Fee Predictor Mainnet API and Gas Fee Predictor Price API.

Is there an OpenAPI specification for the Gas Fee Predictor API?

Yes. APIs.io indexes 3 OpenAPI specifications for Gas Fee Predictor, each linked for download from this page.

How much does the Gas Fee Predictor API cost?

Gas Fee Predictor publishes its prices; its Free plan is Free for now as of 2026-11-09. APIs.io lists 1 pricing plan for Gas Fee Predictor, with each plan's price, limits and inclusions under Pricing on this page.

Does Gas Fee Predictor have an MCP server?

Yes. APIs.io lists 1 MCP server for Gas Fee Predictor: Remote MCP server at api.gasfeepredictor.com.

Is the Gas Fee Predictor API ready for AI agents?

Gas Fee Predictor has a Kin Score of 35.1 out of 100 (thin) and an Agent Readiness score of 19.9 (agent-aware), scored by API Evangelist on 2026-11-13.

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