Impossible Metals

Impossible Metals is a deep-ocean robotics and critical-minerals company founded in 2020 by CEO Oliver Gunasekara, headquartered in San Jose, California with a robotics lab in Canada, and a member of Y Combinator's W22 cohort. It builds the Eureka autonomous underwater vehicle, a hovering AUV that uses computer vision and robotic arms to pick polymetallic nodules from the seabed one at a time — leaving visible fauna and the sediment layer in place — as an alternative to the dredge-and-riser designs used elsewhere in deep-sea mining. Eureka I and Eureka II have been sea-tested, Eureka III is slated for a 2026 test in the BGR contract area of the Clarion-Clipperton Zone, and the company has applied for a deep-sea mining lease in U.S. federal waters and for observer status with the International Seabed Authority. It is a certified B Corp and publishes environmental data, policy positions and testimony alongside its technical work. Impossible Metals is a robotics and mining company rather than a software vendor: it operates no developer program, publishes no product API, SDKs or developer portal, and hosts no api. or developer. subdomain. The only machine-readable interfaces it serves are the WordPress REST content API behind impossiblemetals.com and the two OpenAPI documents its events plugin publishes on that same host, which are captured here for discovery purposes and are anonymously readable and read-only.

Impossible Metals publishes 1 API on the APIs.io network. Tagged areas include Company, Deep Sea Mining, Critical Minerals, Battery Metals, and Robotics.

Impossible Metals’ developer surface includes engineering blog, support, FAQ, YouTube channel, authentication, code examples, and 33 more developer resources.

🌐 Visit website 📡 Source on GitHub

16.9/100 emerging ▬ flat Agent 10/100 agent aware Front door AI 3/6 light saas Full breakdown ↓
scored 2026-10-04 · rubric v0.23.0

5 published contracts

CompanyDeep Sea MiningCritical MineralsBattery MetalsRoboticsAutonomous Underwater VehiclesOcean TechnologyMining Sustainability Climate Tech Content Event

Kin Score

Kin Score How this is scored →
scored 2026-10-04 · rubric v0.23.0

Composite quality — 16.9/100 · emerging

Contract Quality 1.4 / 19

Developer Ergonomics 4.6 / 15

Access Clarity 1.6 / 15

Operational Transparency 0.0 / 10

Contract Governance 0.4 / 9

Discoverability 4.8 / 8

Regulatory Posture 3.1 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 10/100 · agent aware

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/impossible-metals: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Impossible Metals Website (WordPress REST)

The public WordPress REST API (wp-json) of the Impossible Metals website at impossiblemetals.com: the route index of the site's content management system, catalogued as one site...

Pricing Plans 1

Published pricing tiers and plan structures.

Impossible Metals Plans Pricing

0 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Impossible Metals Rate Limits

0 limits

RATE LIMITS

Security Posture 2

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

Impossible Metals Authentication

none/http · 2 schemes

SECURITY

Impossible Metals Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

AgentSkill

AgentSkill

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conventions

Lifecycle

Conformance

ErrorCatalog

DataModel

Build 2

SDKs, sample code, and the tooling you integrate with

ToolCrosswalk

ToolCrosswalk

Examples

Examples

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Learn 1

Tutorials, courses, talks, and written guidance

YouTube

YouTube

Operate 3

Status, limits, changes, and where to get help

Support

Support

FAQ

FAQ

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

PrivacyPolicy

PrivacyPolicy

Plans

Plans

Company 9

The organization behind the API

Website

Blog

BlogRSS

About

Press

Careers

Partners

LinkedIn

Twitter

Twitter

Scroll for all 9

Other 13

Properties that don't map to a standard resource type

Overlay

Overlay

Overlay

Overlay

Overlay

Overlay

Overlay

Overlay

Overlay

Technology

Events

Sustainability

OpenData

Scroll for all 13

Source (apis.yml)

aid: impossible-metals
name: Impossible Metals
description: 'Impossible Metals is a deep-ocean robotics and critical-minerals company founded in 2020 by CEO Oliver Gunasekara,
  headquartered in San Jose, California with a robotics lab in Canada, and a member of Y Combinator''s W22 cohort. It builds
  the Eureka autonomous underwater vehicle, a hovering AUV that uses computer vision and robotic arms to pick polymetallic
  nodules from the seabed one at a time — leaving visible fauna and the sediment layer in place — as an alternative to the
  dredge-and-riser designs used elsewhere in deep-sea mining. Eureka I and Eureka II have been sea-tested, Eureka III is slated
  for a 2026 test in the BGR contract area of the Clarion-Clipperton Zone, and the company has applied for a deep-sea mining
  lease in U.S. federal waters and for observer status with the International Seabed Authority. It is a certified B Corp and
  publishes environmental data, policy positions and testimony alongside its technical work. Impossible Metals is a robotics
  and mining company rather than a software vendor: it operates no developer program, publishes no product API, SDKs or developer
  portal, and hosts no api. or developer. subdomain. The only machine-readable interfaces it serves are the WordPress REST
  content API behind impossiblemetals.com and the two OpenAPI documents its events plugin publishes on that same host, which
  are captured here for discovery purposes and are anonymously readable and read-only.'
url: https://raw.githubusercontent.com/api-evangelist/impossible-metals/refs/heads/main/apis.yml
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
image: https://impossiblemetals.com/wp-content/uploads/2022/09/ImpossibleMetals_logo_REVERSE_RGB.svg
accessModel:
  pricing: none
  onboarding: none
  trial: false
  try_now: true
  public: true
  label: Public read-only content API, no signup
  confidence: high
  source:
  - authentication
  generated: '2026-08-23'
  method: derived
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.23'
created: '2026-08-23'
modified: '2026-08-23'
tags:
- Company
- Deep Sea Mining
- Critical Minerals
- Battery Metals
- Robotics
- Autonomous Underwater Vehicles
- Ocean Technology
- Mining
- Sustainability
- Climate Tech
- Content
- Event
tags_raw:
- Company
- Deep Sea Mining
- Critical Minerals
- Battery Metals
- Robotics
- Autonomous Underwater Vehicles
- Ocean Technology
- Mining
- Sustainability
- Climate Tech
- Content
- Events
apis:
- aid: impossible-metals:impossiblemetals-com-website-wordpress-rest
  name: Impossible Metals Website (WordPress REST)
  description: 'The public WordPress REST API (wp-json) of the Impossible Metals website at impossiblemetals.com: the route
    index of the site''s content management system, catalogued as one site surface rather than as separate APIs.'
  baseURL: https://impossiblemetals.com/wp-json
  tags:
  - WordPress
  x-surface: platform-generated
  properties:
  - type: Documentation
    url: https://impossiblemetals.com/wp-json
  x-platform: wordpress
  x-platform-surface: rest
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Overlay
  url: overlays/impossible-metals-posts-overlay.yaml
- type: Overlay
  url: overlays/impossible-metals-pages-overlay.yaml
- type: Overlay
  url: overlays/impossible-metals-faq-overlay.yaml
- type: Overlay
  url: overlays/impossible-metals-media-overlay.yaml
- type: Overlay
  url: overlays/impossible-metals-taxonomy-overlay.yaml
- type: Overlay
  url: overlays/impossible-metals-search-overlay.yaml
- type: Overlay
  url: overlays/impossible-metals-events-overlay.yaml
- type: Overlay
  url: overlays/impossible-metals-discovery-overlay.yaml
- type: Overlay
  url: overlays/impossible-metals-oembed-overlay.yaml
- type: Website
  url: https://impossiblemetals.com/
- type: Blog
  url: https://impossiblemetals.com/news/blog/
- type: BlogRSS
  url: https://impossiblemetals.com/feed/
- type: Support
  url: https://impossiblemetals.com/contact/
- type: PrivacyPolicy
  url: https://impossiblemetals.com/policies-reports/privacy-statement/
- type: About
  url: https://impossiblemetals.com/about/
- type: Technology
  url: https://impossiblemetals.com/technology/robotic-collection-system/
- type: FAQ
  url: https://impossiblemetals.com/frequently-asked-questions/
- type: Press
  url: https://impossiblemetals.com/news/press-releases/
- type: Careers
  url: https://impossiblemetals.com/join-us/
- type: Partners
  url: https://impossiblemetals.com/about/partners/
- type: Events
  url: https://impossiblemetals.com/impossible-metals-events/
- type: Sustainability
  url: https://impossiblemetals.com/sustainability/
- type: OpenData
  url: https://impossiblemetals.com/sustainability/public-data/
- type: LinkedIn
  url: https://www.linkedin.com/company/impossible-metals/
- type: YouTube
  url: https://www.youtube.com/@impossiblemetals
- type: Twitter
  url: https://twitter.com/ImpossMetals
- type: LLMsTxt
  url: llms/impossible-metals-llms.txt
- type: ToolCrosswalk
  url: mcp/impossible-metals-tool-crosswalk.yml
- type: AgentSkill
  url: skills/_index.yml
- type: DomainSecurity
  url: security/impossible-metals-domain-security.yml
- type: Plans
  url: plans/impossible-metals-plans-pricing.yml
- type: RateLimits
  url: rate-limits/impossible-metals-rate-limits.yml
- type: Conventions
  url: conventions/impossible-metals-conventions.yml
- type: Lifecycle
  url: lifecycle/impossible-metals-lifecycle.yml
- type: Conformance
  url: conformance/impossible-metals-conformance.yml
- type: ErrorCatalog
  url: errors/impossible-metals-problem-types.yml
- type: Authentication
  url: authentication/impossible-metals-authentication.yml
- type: DataModel
  url: data-model/impossible-metals-data-model.yml
- type: Examples
  url: examples/impossible-metals-examples.yml
x-enrichment:
  date: '2026-08-23'
  status: enriched
  artifacts_added: 41
  pass: local-v1
x-coverage:
  state: covered

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