API Evangelist LLCUnclaimed AI Agent

Products & Services

Market Segments

API discovery and marketplace

Capabilities for searching, browsing, comparing, and rating public and private APIs to accelerate discovery, procurement, and developer adoption.

Market size: $800M CAGR: 25% Methodology

Estimation based on published figures for the broader API management and adjacent network-API segments in the search results. MarketsandMarkets (cited in Devico) places the API management market at $5.1B (2023) with a 32.9% CAGR; network-API forecasts show much smaller but fast-growing subsegments (USD 0.55B in 2024; USD 7.6B by 2030). Treating API discovery & marketplace as a specialized subset of API management (approx. 10–20% share, midpoint ~15%) yields ~USD 0.75B, rounded to USD 0.8B. Growth potential (CAGR ~25%) reflects strong demand for discovery, monetization, and AI-driven developer experiences—below the overall API-management CAGR but still high given adoption and marketplace monetization trends.

IN AN IN 3 references

API catalog and governance

Centralized cataloging of API providers and APIs linked with governance artifacts, metadata, taxonomy, and lifecycle controls to support governance and compliance.

Market size: $5.2B CAGR: 15% Methodology

Used the Hybrid Integration Platform market (USD 34.7B in 2025, 14.8% CAGR) as the primary anchor from search results and treated API catalog & governance as a focused subset of integration/API management. Assumed API cataloging, governance and lifecycle controls represent roughly 15% of the broader hybrid integration/API management spend (34.7B * 15% ≈ 5.2B). Growth potential aligned with the hybrid integration CAGR (~14.8%) and was rounded conservatively to 15% given accelerating demand for governance driven by API sprawl, security, and compliance.

TH CA 2 references

API specification and artifact registry

Indexing, management, and retrieval of machine-readable API artifacts (OpenAPI, AsyncAPI, GraphQL, JSON-LD, schemas, headers) to enable reuse, validation, and toolchain integration.

Market size: $300M CAGR: 25% Methodology

Primary source: TH Global Capital estimates the global DevOps market at $16.1B (2025) rising to $43.2B (2030). The API specification & artifact registry segment maps to capability areas listed (artifact repository, API management) and is a small subset of DevOps/platform tooling. Assuming a 1–3% share of the 2025 DevOps platforms market (midpoint 2%) yields ~ $0.32B, rounded to $0.3B. Growth potential: the DevOps platforms CAGR implied by the source (~22%) is adjusted slightly upward to ~25% CAGR for API-spec/artifact registries due to accelerating API-first practices, platform engineering, and increased reuse/automation demands.

TH 1 reference

Event API discovery and orchestration

Discovery and integration of event channels and modeling of API-based workflows (real-time event processing and Arazzo workflows) to support event-driven architecture and integrations.

Market size: $2.0B CAGR: 15% Methodology

Estimated by positioning "Event API discovery and orchestration" as a niche overlap of API access management, data-integration/streaming integration, and event-focused booking/orchestration tools. Comparable segments in the search results: API Access Management (~USD 1.73B in 2026; 15.2% CAGR), broader data-integration/platforms (global base ~USD 17.57B in 2025; NA $7.44B in 2025 at 12.1% CAGR), and event booking software (USD 4.22B in 2026; 28.25% CAGR). Combining these benchmarks and the niche’s narrower scope (discovery, event-channel integration, API-based orchestration) yields an estimated current market size ~USD 2.0B and a strong growth potential near ~15% CAGR driven by adoption of event-driven architectures, streaming integration, and API-first orchestration.

GL NO EV 3 references

Common Questions

What does API Evangelist LLC do?

APIs.io is a search engine and catalog for the API economy — profiling API providers, their APIs, and the machine-readable artifacts they publish, along with ratings, rankings, and analysis built on top. It is operated by API Evangelist LLC.

What is API Evangelist LLC's role in the API discovery and marketplace market?

Capabilities for searching, browsing, comparing, and rating public and private APIs to accelerate discovery, procurement, and developer adoption.

What is API Evangelist LLC's role in the API catalog and governance market?

Centralized cataloging of API providers and APIs linked with governance artifacts, metadata, taxonomy, and lifecycle controls to support governance and compliance.

How was the API discovery and marketplace market size estimate for API Evangelist LLC calculated?

Estimation based on published figures for the broader API management and adjacent network-API segments in the search results. MarketsandMarkets (cited in Devico) places the API management market at $5.1B (2023) with a 32.9% CAGR; network-API forecasts show much smaller but fast-growing subsegments (USD 0.55B in 2024; USD 7.6B by 2030). Treating API discovery & marketplace as a specialized subset of API management (approx. 10–20% share, midpoint ~15%) yields ~USD 0.75B, rounded to USD 0.8B. Growth potential (CAGR ~25%) reflects strong demand for discovery, monetization, and AI-driven developer experiences—below the overall API-management CAGR but still high given adoption and marketplace monetization trends.

How was the API catalog and governance market size estimate for API Evangelist LLC calculated?

Used the Hybrid Integration Platform market (USD 34.7B in 2025, 14.8% CAGR) as the primary anchor from search results and treated API catalog & governance as a focused subset of integration/API management. Assumed API cataloging, governance and lifecycle controls represent roughly 15% of the broader hybrid integration/API management spend (34.7B * 15% ≈ 5.2B). Growth potential aligned with the hybrid integration CAGR (~14.8%) and was rounded conservatively to 15% given accelerating demand for governance driven by API sprawl, security, and compliance.