APIToolkit (Monoscope)
APIToolkit (now Monoscope) is an open-source-friendly API observability and monitoring platform that helps teams find and fix production issues before customers notice. It unifies logs, traces, metrics, errors, monitors, and session replay across 17+ framework SDKs and 780+ OpenTelemetry integrations. The platform exposes a REST API (api.monoscope.tech/api/v1) for programmatic access to metrics, telemetry schema, and monitors, plus a hosted MCP server with ~50 auto-derived tools and workflow tools (analyze_issue, find_error_patterns, search_events_nl) and four Claude Code skills (investigate, triage, kql-reference, instrument) so agents can drive observability from the terminal or any LLM client. The apitoolkit.io domain now redirects to monoscope.tech.
Solid contracts, transparent operations, and an easy start — typically complete on four or five facets with one clear soft spot.
API Evangelist profiles APIToolkit (Monoscope) the way a machine reads it — 85 machine-readable artifacts across 7 APIs, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — APIToolkit (Monoscope) scores 60.4/100 (strong), with a separate agent-readiness read of 48/100 (agent ready). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance.
Kin Score
How this is scored →scored 2026-07-27 · rubric v0.5
How we profile APIToolkit (Monoscope)
Each block below is one kind of artifact we hold for APIToolkit (Monoscope). For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
APIs 7
Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.
Individual APIs this provider publishes, each with its own machine-readable definition.
Monoscope MCP Server
Hosted Model Context Protocol endpoint exposing approximately 50 auto-derived REST tools plus workflow tools (analyze_issue, find_error_patterns, search_events_nl) under the sam...
Monoscope CLI
Terminal-based client for Monoscope. Same auth, same primitives, same JSON as the REST API and MCP server. Drives investigate, triage, KQL, and instrumentation workflows from th...
Testkit (YAML API Testing DSL)
MIT-licensed Rust testing tool by the APItoolkit/Monoscope team that uses a simplified YAML DSL for defining API test scenarios and browser automation. Scripts persist in versio...
TimeFusion (Timeseries Engine)
Rust-based timeseries database for events, logs, traces, and metrics using a PostgreSQL dialect over S3 / Delta Lake storage. Underpins Monoscope's affordable long-term retentio...
APIToolkit (Monoscope) Metrics API
Query timeseries and aggregate metric data.
APIToolkit (Monoscope) Monitors API
List monitors and their evaluation status.
APIToolkit (Monoscope) Schema API
Retrieve telemetry field schema for a project.
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Open Collections 1
Open, tool-agnostic collections carry the same runnable value as Postman without locking you to one client — the portable, forkable form of the same exercise.
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Monoscope Platform API
OPEN COLLECTIONPricing Plans 1
Pricing is part of the interface. Machine-readable plans tell you what a tier costs and includes before you commit — one of the six things the Kin Score reads for commercial clarity.
Published pricing tiers and plan structures.
Rate Limits 1
Rate limits are the difference between a demo that works and a production integration that doesn't fall over. Publishing them is an operational-transparency signal — and a hard requirement for any agent that plans its own throughput.
Documented rate limits and quota policies.
Apitoolkit Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals let a buyer model the financial operations of an API before it's live. We profile them for the same reason we profile pricing: the money is part of the contract.
Cost, billing, and metering signals for API financial operations.
Apitoolkit Finops
FINOPSFeatures 18
The notable capabilities this provider advertises, captured as structured features so they can be searched and compared instead of read one landing page at a time.
Notable capabilities this provider offers.
Error Tracking
Catch breaking changes and critical errors in real time before customers notice.
Logs and Traces
Unified view correlating logs with trace breakdowns and request timelines.
API Analytics
Identify trends and monitor API performance metrics that matter to your business.
API Catalog and Docs
Dynamic catalog with up-to-date documentation and developer onboarding.
Metrics and Dashboards
Custom metrics tracking with real-time data visualization, pre-built templates per stack.
Performance Monitoring
Monitor APIs, databases, and services with uptime tracking.
Monitors and Healthchecks
Automated uptime tracking and early failure detection with threshold and interval-based monitors.
Alerts and Notifications
Real-time alerts routed to Slack, PagerDuty, email, and webhooks.
Anomaly Detection
Real-time API change detection and automated monitoring of unusual traffic.
Breaking Change Detection
Identify API schema and contract changes in real time.
Session Replay
Watch user sessions that triggered errors for root-cause analysis.
AI-Powered Natural Language Query
Ask questions in plain English via search_events_nl and get instant answers from API data.
AI Agents
AI agents analyze logs, metrics, events, and API traffic in real time for anomaly detection.
Weekly Reports
AI-generated summaries of new errors, regressions, and anomalies.
MCP Server
Hosted Model Context Protocol endpoint with ~50 auto-derived REST tools and workflow tools.
Claude Code Skills
Drop-in skills (investigate, triage, kql-reference, instrument) wrapping the CLI for Claude Code.
CLI
Terminal-based queries, log tailing, request tracing, and resource management.
KQL Query Language
Kusto-style query language for searching events, logs, and traces with operators and aggregations.
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Semantic Vocabularies 1
JSON-LD contexts give the data shared meaning across APIs. We profile them because semantics are what let a machine reconcile 'customer' here with 'customer' somewhere else.
JSON-LD contexts and semantic vocabularies used across these APIs.
Apitoolkit Context
JSON-LDSpectral Rules 2
Governance rulesets we run against this provider's specs — the automated checks behind parts of the score. Profiling them makes the quality bar explicit and re-runnable, not a matter of opinion.
APIToolkit (Monoscope) API Rules
SPECTRALAPIToolkit (Monoscope) API Rules
SPECTRALJSON Schema 3
Standalone JSON Schema definitions describe the data models behind the API. We profile them so the shapes are validatable on their own — useful long after a single request is forgotten.
Standalone JSON Schema definitions for this provider's data models.
JSON Structure 2
JSON Structure captures the data shapes in a form built for tooling — a complement to JSON Schema that keeps the model machine-legible.
JSON Structure definitions describing this provider's data shapes.
Monoscope Platform Metric Point Structure
JSON STRUCTUREMonoscope Platform Monitor Structure
JSON STRUCTUREExamples 4
Real request and response payloads are what turn a spec from abstract into obvious — and they're one of the twelve things an agent needs to call an API correctly on the first try.
Example request and response payloads for these APIs.
Security Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
An x-agentic-access contract marks which operations are safe for an agent to run on its own and which need a human in the loop. It is the difference between an API an agent can use and one it can use safely.
Recommended x-agentic-access execution contracts for AI agents.
Use Cases 7
What developers actually build with this provider — captured so the catalogue answers 'what is this for', not just 'what does this expose'.
What developers build with this provider.
Real-Time Error Detection
Detect and debug API errors in production before they impact end users.
API Performance Optimization
Monitor and optimize API performance with analytics and trend identification.
Third-Party Integration Monitoring
Monitor third-party API dependencies and detect breaking changes automatically.
Incident Response
Correlate logs, traces, and errors for faster root-cause analysis and incident resolution.
API Contract Monitoring
Continuously monitor API contracts for compliance and detect schema drift.
Agent-Driven Observability
Let LLM agents query, triage, and remediate via the MCP server and Claude Code skills.
API Testing in CI
Run Testkit YAML scenarios against APIs as part of CI pipelines and load testing.
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Integrations 34
Pre-built integrations with other platforms tell you where this provider already fits in a stack.
Pre-built integrations with other platforms and tools.
Node.js
SDK with Express, Fastify, NestJS, Next.js, and AdonisJS framework adapters.
Python
SDK with Django, FastAPI, Flask, and Pyramid framework adapters.
Go
SDK with Gin, Echo, Fiber, Chi, Gorilla Mux, and native net/http adapters.
Java
SDK with Spring Boot integration.
.NET
SDK for ASP.NET Core.
PHP
SDK with Laravel, Symfony, and Slim adapters.
Elixir
SDK with Phoenix framework integration.
Browser / Web
Browser SDK for OpenTelemetry instrumentation, React/Next.js, and session replays.
Flutter
Mobile OpenTelemetry instrumentation.
PostgreSQL
Database instrumentation for PostgreSQL.
MongoDB
Database instrumentation for MongoDB.
MySQL
Database instrumentation for MySQL.
Redis
Database instrumentation for Redis.
Elasticsearch
Search and analytics datastore instrumentation.
Apache Kafka
Messaging and streaming instrumentation.
RabbitMQ
Messaging broker instrumentation.
Kubernetes
Infrastructure instrumentation for Kubernetes, including OpenTelemetry Operator.
Docker
Container runtime instrumentation.
NGINX
Reverse proxy and web server instrumentation.
HAProxy
Load balancer instrumentation.
AWS
Cloud platform integration (with optional S3 bring-your-own bucket for storage).
Google Cloud
Cloud platform integration for Google Cloud Platform.
Azure
Cloud platform integration for Microsoft Azure.
Prometheus
Metrics integration for Prometheus.
Jaeger
Tracing integration for Jaeger.
Zipkin
Tracing integration for Zipkin.
Datadog
APM platform integration for forwarding data to Datadog.
New Relic
APM platform integration for forwarding data to New Relic.
Splunk
Observability platform integration.
OpenTelemetry
Native OpenTelemetry collector and exporter support backing 780+ integrations.
Slack
Alert and notification routing.
PagerDuty
Incident management routing.
MCP / Model Context Protocol
Native MCP server exposing tools to any compatible LLM client.
Claude Code
Drop-in Claude Code skills for investigate, triage, KQL reference, and instrument workflows.
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Resources
Every other property we hold for APIToolkit (Monoscope) — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Get Started 1
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Build 5
SDKs, sample code, and the tooling you integrate with
Access & Security 3
Authentication, authorization, and security posture
Learn 1
Tutorials, courses, talks, and written guidance
Operate 4
Status, limits, changes, and where to get help
Commercial 4
Pricing, plans, and the legal terms of use
Company 3
The organization behind the API
Other 2
Properties that don't map to a standard resource type
← All providers · Data indexed from github.com/api-evangelist/apitoolkit · machine-readable index on apis.io