JoinLayer

JoinLayer provides a platform that sits between operational databases and analytics targets, enabling teams to map fields, join lookup context, preview exact output, validate target contracts, and run real‑time, backfill, or scheduled synchronizations. It supports PostgreSQL, MySQL, BigQuery, Kafka, ClickHouse and more, offering enrichment, validation, and diagnostics to ensure analytics‑ready rows before they land.

JoinLayer is listed with 1 API on the APIs.io network. Tagged areas include Data Integration, Data Enrichment, Real-time Sync, Data Validation, and Operational Analytics.

JoinLayer’s developer surface includes documentation, pricing, support, and 10 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

22.0/100 emerging Agent 15/100 agent aware Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

AccessFreemium

1 API

Data Integration Data EnrichmentReal-time SyncData ValidationOperational AnalyticsDatabase SyncKafka Integration

Kin Score

Kin Score How this is scored →
scored 2026-11-13 · rubric v0.28.0

Composite quality — 22.0/100 · emerging

Contract Quality 0.0 / 21

Developer Ergonomics 2.4 / 17

Access Clarity 8.7 / 17

Operational Transparency 1.6 / 11

Contract Governance 0.0 / 10

Discoverability 5.5 / 9

Regulatory Posture 2.9 / 15

Agent readiness — 15/100 · 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 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 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 6 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 6 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

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 could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document Ask about this →
MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship Ask about this →
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author Ask about this →
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented) Ask about this →
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes Ask about this →
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0 Ask about this →

10 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 0.0 — up to +25.0 composite points Ask about this →
Developer Ergonomics scores 14.3 — up to +17.1 composite points Ask about this →
Contract Governance scores 0.0 — up to +12.0 composite points Ask about this →

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Not sure how this applies to your stack? Ask about any one item. Kin Lane reads every question, looks at your profile and your situation, and replies with what a fix would take — scoped to that one area, priced up front, yours whether you ship it or not. Ask a question →

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 the provider profile at artifacts.apis.io/joinlayer-app/apis.yml: open an issue on github.com/api-evangelist/joinlayer-app to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 1

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

Dynamic Client Registration

measured — observed by APIs.io (published)

APIs 1

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

JoinLayer API

JoinLayer API provides endpoints for pipelines, field mapping, enrichment and operational data synchronization.

JoinLayer API pricing

Prices published by JoinLayer, read 2026-11-13 from joinlayer.app/pricing/.

Plan	Price
Trial	$0/ 14 days
Launch	$49/ mo
Team	$149/ mo
Growth	$399/ mo
Scale	$899/ mo
Dedicated	Custom

Plan details, limits and sources →

Pricing Plans 1

Published pricing tiers and plan structures.

JoinLayer Plans Pricing

6 plans

PLANS

Security Posture 1

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

JoinLayer Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

WellKnown

WellKnown

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

SecurityTxt

SecurityTxt

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 4

Pricing, plans, and the legal terms of use

Plans

Pricing

TermsOfService

PrivacyPolicy

Company 1

The organization behind the API

Website

Website

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: joinlayer-app
name: JoinLayer
description: JoinLayer provides a platform that sits between operational databases and analytics targets, enabling teams to
  map fields, join lookup context, preview exact output, validate target contracts, and run real‑time, backfill, or scheduled
  synchronizations. It supports PostgreSQL, MySQL, BigQuery, Kafka, ClickHouse and more, offering enrichment, validation,
  and diagnostics to ensure analytics‑ready rows before they land.
url: https://artifacts.apis.io/joinlayer-app/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-13 (modular-v1; was harvest)
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: low
  probe_state: unreadable
  source:
  - plans
  - security
  generated: '2026-11-13'
  method: derived
specificationVersion: '0.20'
created: '2026-11-13'
modified: '2026-11-13'
tags:
- Data Integration
- Data Enrichment
- Real-time Sync
- Data Validation
- Operational Analytics
- Database Sync
- Kafka Integration
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Plans
  url: plans/joinlayer-app-plans-pricing.yml
- type: SecurityTxt
  url: well-known/joinlayer-app-app-security.txt
- type: WellKnown
  url: well-known/joinlayer-app-well-known.yml
- type: Hosts
  url: hosts/joinlayer-app-hosts.yml
- type: Vendors
  url: vendors/joinlayer-app-vendors.yml
- type: GitHubOrganization
  url: https://github.com/joinlayer
- type: DomainSecurity
  url: security/joinlayer-app-domain-security.yml
- type: Website
  url: https://joinlayer.app/
- type: Documentation
  url: https://docs.joinlayer.app/
- type: Pricing
  url: https://joinlayer.app/pricing/
- type: TermsOfService
  url: https://docs.joinlayer.app/terms
- type: PrivacyPolicy
  url: https://docs.joinlayer.app/privacy
- type: Support
  url: https://joinlayer.app/security/
apis:
- name: JoinLayer API
  description: JoinLayer API provides endpoints for pipelines, field mapping, enrichment and operational data synchronization.
  humanURL: https://docs.joinlayer.app/
  baseURL: null
  aid: joinlayer-app:api
x-coverage:
  state: unreadable
  reason: js-rendered-docs
  detail: Docs are served as a JavaScript single-page app with no machine‑readable OpenAPI spec available.
  evidence:
  - url: https://docs.joinlayer.app/openapi.json
    status: 200
  checked: '2026-11-13'
x-enrichment:
  date: '2026-11-13'
  status: enriched
  artifacts_added: 11
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

JoinLayer API — frequently asked questions

Does JoinLayer have an API?

Yes. APIs.io lists 1 API from JoinLayer, including JoinLayer API.

How much does the JoinLayer API cost?

JoinLayer publishes its prices; its Trial plan is $0/ 14 days as of 2026-11-13. APIs.io lists 6 pricing plans for JoinLayer, with each plan's price, limits and inclusions under Pricing on this page.

Is the JoinLayer API ready for AI agents?

JoinLayer has a Kin Score of 22.0 out of 100 (emerging) and an Agent Readiness score of 15.1 (agent-aware), scored by API Evangelist on 2026-11-13.

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find_providersBrowse and filter every provider in the catalog.
get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
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.

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