Feature

Structured Error Handling

Machine-readable, documented error responses.

6 providers 18 APIs 3 declared variants

Errors carry stable codes and structured detail rather than prose, and the catalog of failures is documented. Determines whether an integrator can handle failure automatically.

6 API providers on the APIs.io network offer structured error handling. The highest-rated are Zapier, Microsoft Power Automate, Amazon Step Functions, AWS Step Functions, PolyAPI.

Providers

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Strong 2 Solid coverage with minor gaps
ZapierZapier is an automation platform that connects different apps and services to automate workflows without re...1 API60.4Microsoft Power AutomateMicrosoft Power Automate is a cloud-based service that helps you create automated workflows between your fa...10 APIs54.8
Developing 4 Usable, with meaningful gaps to close
Amazon Step FunctionsAmazon Step Functions is a serverless workflow orchestration service that lets you coordinate distributed a...2 APIs54.1AWS Step FunctionsAWS Step Functions is a serverless orchestration service that lets you coordinate distributed applications ...2 APIs49.2PolyAPIPoly, built using cutting-edge AI and Kubernetes-native technology, accelerates development and simplifies ...1 API49.1Workday StudioWorkday Studio is an integrated development environment (IDE) for building custom integrations and applicat...2 APIs46.8

What Providers Actually Declared

This feature is a canonical term. These are the free-text strings providers wrote in their own apis.yml that map onto it.

Error HandlingError handling, paths, filters, formattersFlow Control and Error Handling

Scroll for all 3

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Every feature here is available over the APIs.io API and to AI agents over MCP. Features is not yet its own endpoint on the v1 API. Reach it through catalog search and the tag graph, or the MCP server.

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Tools for features

3 MCP tools reach this
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

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curl "https://apis.io/api/v1/search?q=error-handling&limit=10"
Everything under a tag 
curl "https://apis.io/api/v1/tags/error-handling"

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