Macrostrat
Macrostrat is a platform for the aggregation and distribution of geological data relevant to the spatial and temporal distribution of sedimentary, igneous, and metamorphic rocks as well as data extracted from them.
More than an index entry, but the surface is still mostly links rather than artifacts — the cohort most likely to move a full band from modest, well-targeted work.
API Evangelist profiles Macrostrat the way a machine reads it — 35 machine-readable artifacts across 1 API, 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 — Macrostrat scores 22.2/100 (emerging), with a separate agent-readiness read of 20/100 (agent aware). 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. Every facet and dimension name is a link: it opens that measurement's page on APIs.io, where the rating runs across the whole catalog — the exact checks that feed it, how every profiled provider distributes on it, and who is at the top of it.
Kin Score
How this is scored →scored 2026-09-08 · rubric v0.20.0
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How we profile Macrostrat
Each block below is one kind of artifact we hold for Macrostrat. 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 14
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.
Macrostrat Age Model API
The Age Model API from Macrostrat — 1 operation(s) for age model.
Macrostrat Cartography API
The Cartography API from Macrostrat — 1 operation(s) for cartography.
Macrostrat Columns API
The Columns API from Macrostrat — 1 operation(s) for columns.
Macrostrat Definitions API
The Definitions API from Macrostrat — 1 operation(s) for definitions.
Macrostrat Fossils API
The Fossils API from Macrostrat — 1 operation(s) for fossils.
Macrostrat Geologic Maps API
The Geologic Maps API from Macrostrat — 3 operation(s) for geologic maps.
Macrostrat Grids API
The Grids API from Macrostrat — 1 operation(s) for grids.
Macrostrat Measurements API
The Measurements API from Macrostrat — 1 operation(s) for measurements.
Macrostrat Meta API
The Meta API from Macrostrat — 1 operation(s) for meta.
Macrostrat Mobile API
The Mobile API from Macrostrat — 1 operation(s) for mobile.
Macrostrat Paleogeography API
The Paleogeography API from Macrostrat — 1 operation(s) for paleogeography.
Macrostrat Sections API
The Sections API from Macrostrat — 1 operation(s) for sections.
Macrostrat Stats API
The Stats API from Macrostrat — 1 operation(s) for stats.
Macrostrat Units API
The Units API from Macrostrat — 1 operation(s) for units.
Scroll within the panel for all 14 ·
Open Collections 16
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).
API Collection
OPEN COLLECTIONMacrostrat Age Model API
OPEN COLLECTIONMacrostrat Age Model Cartography API
OPEN COLLECTIONMacrostrat Age Model Columns API
OPEN COLLECTIONMacrostrat Age Model Definitions API
OPEN COLLECTIONMacrostrat Age Model Fossils API
OPEN COLLECTIONMacrostrat Age Model Geologic Maps API
OPEN COLLECTIONMacrostrat Age Model Grids API
OPEN COLLECTIONMacrostrat Age Model Measurements API
OPEN COLLECTIONMacrostrat Age Model Meta API
OPEN COLLECTIONMacrostrat Age Model Mobile API
OPEN COLLECTIONMacrostrat Age Model Paleogeography API
OPEN COLLECTIONMacrostrat Age Model Sections API
OPEN COLLECTIONMacrostrat Age Model Stats API
OPEN COLLECTIONMacrostrat Age Model Units API
OPEN COLLECTIONMacrostrat API
OPEN COLLECTIONScroll within the panel for all 16 ·
Pricing 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 things the Kin Score reads for access clarity — renamed from commercial clarity in rubric 0.12, because a free statutory interface has access terms and no commercial ones.
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.
Macrostrat 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.
Macrostrat Finops
FINOPSSecurity Posture 1
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.
Resources
Every other property we hold for Macrostrat — 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.
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 1
Authentication, authorization, and security posture
← All providers · Data indexed from github.com/api-evangelist/macrostrat · machine-readable index on apis.io
This is an independent, third-party profile of Macrostrat, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.
Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.
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