Fiber website screenshot

Fiber

Fiber is an Express-inspired web framework for Go built on Fasthttp for building fast and scalable microservices and APIs.

Fiber publishes 1 API on the APIs.io network. Tagged areas include Microservices.

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

25.5/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
1 APIs
Microservices

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 25.5/100 · emerging
Contract Quality 2.4 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 7.0 / 12
Discoverability 4.1 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
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 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 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/fiber: 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.

Fiber

Fiber is an Express-inspired web framework for Go built on Fasthttp for building fast and scalable microservices and APIs.

Pricing Plans 1

Published pricing tiers and plan structures.

Fiber Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Fiber Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Fiber Finops

FINOPS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Fiber API Rules

5 rules · 4 warnings 1 info

SPECTRAL

JSON Schema 1

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

Fiber App Configuration

28 properties

JSON SCHEMA

Security Posture 1

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

Fiber Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

Company 1

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: fiber
name: Fiber
description: Fiber is an Express-inspired web framework for Go built on Fasthttp for building fast and scalable microservices
  and APIs.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/fiber.png
tags:
- Microservices
url: https://raw.githubusercontent.com/api-evangelist/fiber/refs/heads/main/apis.yml
created: '2026-03-26'
modified: '2026-03-26'
specificationVersion: '0.19'
apis:
- aid: fiber:fiber
  name: Fiber
  description: Fiber is an Express-inspired web framework for Go built on Fasthttp for building fast and scalable microservices
    and APIs.
  humanURL: https://gofiber.io/
  tags:
  - Microservices
  properties:
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/fiber/refs/heads/main/json-schema/fiber-configuration.json
common:
- type: DomainSecurity
  url: security/fiber-domain-security.yml
- type: Website
  url: https://gofiber.io/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com