Dynamic Signal

Dynamic Signal, now operating as Firstup, provides an intelligent employee communication platform that helps enterprises deliver personalized messages across the employee journey. The solution supports onboarding, promotions, life events, performance reviews, and global mobility, aiming to improve engagement, reduce attrition, and drive business outcomes through targeted communications and actionable insights.

Dynamic Signal is listed with 2 APIs on the APIs.io network. Tagged areas include Company, Employee Communication, Enterprise Software, SaaS, and HR Tech.

The Dynamic Signal catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 Spectral governance ruleset.

Dynamic Signal’s developer surface includes changelog, authentication, API reference, documentation, engineering blog, pricing, support, and 27 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

41.4/100 developing Agent 43/100 agent ready Full breakdown ↓
scored 2026-10-31 · rubric v0.25.0 · Show this score on your site →

2 APIs

CompanyEmployee CommunicationEnterprise SoftwareSaaSHR Tech

Kin Score

Kin Score How this is scored →
scored 2026-10-31 · rubric v0.25.0

Composite quality — 41.4/100 · developing

Contract Quality 3.9 / 21

Developer Ergonomics 7.7 / 17

Access Clarity 8.1 / 17

Operational Transparency 5.5 / 11

Contract Governance 2.2 / 10

Discoverability 5.2 / 9

Regulatory Posture 5.3 / 15

Agent readiness — 43/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 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 6 / 6

Agent Skills 0 / 5

Well-Known Catalog 4 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 8 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 6 / 6

Protected Resource Metadata 5 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

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):

Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
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)
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document

5 more unmet checks in the Agent Readiness table above.

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

Contract Quality scores 18.4 — up to +20.4 composite points
Developer Ergonomics scores 45.2 — up to +11.0 composite points
Access Clarity scores 47.4 — up to +10.5 composite points

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.

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/dynamic-signal/apis.yml: open an issue on github.com/api-evangelist/dynamic-signal 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 →

APIs 2

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

Dynamic Signal API

Employee communication platform API (details not publicly documented)

Dynamic Signal API

Dynamic Signal API as documented publicly: 94 operations. Contract generated from the documentation by API Evangelist (2026-10-24); not the provider's own document.

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Dynamic Signal Webhooks

ASYNCAPI

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Dynamic Signal API Rules

9 rules · 7 errors 1 warnings 1 info

SPECTRAL

Security Posture 4

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

Dynamic Signal Authentication

4 schemes

SECURITY

Dynamic Signal Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Dynamic Signal Vulnerability Disclosure

security.txt · contact published

SECURITY

Dynamic Signal Trust Center

SOC 2, ISO 27001

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

Documentation 2

Reference material describing how the API behaves

APIReference

APIReference

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

WellKnown

WellKnown

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Spectral

Vocabulary

Webhooks

Conventions

Conformance

Access & Security 9

Authentication, authorization, and security posture

Compliance

Authentication

SecurityTxt

SecurityTxt

SecurityTxt

Security

TrustCenter

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Scroll for all 9

Operate 4

Status, limits, changes, and where to get help

ChangeLog

StatusPage

ChangeLog

Support

Commercial 3

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Pricing

Pricing

Company 3

The organization behind the API

Newsroom

Newsroom

Website

Website

Blog

Blog

Other 5

Properties that don't map to a standard resource type

AgentCard

Hosts

Vendors

Leadership

Company

Source (apis.yml)

aid: dynamic-signal
name: Dynamic Signal
image: https://firstup.io/og-image.jpg
description: Dynamic Signal, now operating as Firstup, provides an intelligent employee communication platform that helps
  enterprises deliver personalized messages across the employee journey. The solution supports onboarding, promotions, life
  events, performance reviews, and global mobility, aiming to improve engagement, reduce attrition, and drive business outcomes
  through targeted communications and actionable insights.
url: https://raw.githubusercontent.com/api-evangelist/dynamic-signal/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-24 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-10-24'
modified: '2026-10-24'
tags:
- Company
- Employee Communication
- Enterprise Software
- SaaS
- HR Tech
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Spectral
  url: rules/dynamic-signal-rules.yml
- type: Vocabulary
  url: vocabulary/dynamic-signal-vocabulary.yml
- type: Webhooks
  url: asyncapi/dynamic-signal-webhooks.yml
- type: ChangeLog
  url: changelog/dynamic-signal-changelog.yml
- type: Conventions
  url: conventions/dynamic-signal-conventions.yml
- type: Compliance
  url: https://firstup.io/legal/information-security-guidelines/
- type: Authentication
  url: authentication/dynamic-signal-authentication.yml
- type: Conformance
  url: conformance/dynamic-signal-conformance.yml
- type: LLMsTxt
  url: llms/dynamic-signal-llms.txt
- type: AgentCard
  url: a2a/dynamic-signal-a2a.yml
- type: SecurityTxt
  url: well-known/dynamic-signal-status-security.txt
- type: SecurityTxt
  url: well-known/dynamic-signal-security.txt
- type: SecurityTxt
  url: well-known/dynamic-signal-library-security.txt
- type: WellKnown
  url: well-known/dynamic-signal-well-known.yml
- type: Hosts
  url: hosts/dynamic-signal-hosts.yml
- type: Vendors
  url: vendors/dynamic-signal-vendors.yml
- type: TermsOfService
  url: https://firstup.io/legal/terms-of-service-2020/
- type: StatusPage
  url: https://status.firstup.io/
- type: Security
  url: https://firstup.io/company/security/
- type: PrivacyPolicy
  url: https://firstup.io/privacy-policy/
- type: Newsroom
  url: https://firstup.io/newsroom/
- type: Leadership
  url: https://firstup.io/company/leadership/
- type: DeveloperPortal
  url: https://developers.firstup.io/
- type: ChangeLog
  url: https://developers.firstup.io/versionchange/changelog
- type: APIReference
  url: https://developers.firstup.io/endpoints/openapi
- type: TrustCenter
  url: security/dynamic-signal-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/dynamic-signal-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/dynamic-signal-domain-security.yml
- type: Website
  url: https://firstup.io
- type: Documentation
  url: https://firstup.io/platform/integrations-apis/
- type: Blog
  url: https://firstup.io/blog/
- type: Pricing
  url: https://firstup.io/pricing/
- type: Support
  url: https://support.firstup.io/hc/en-us
- type: Company
  url: https://firstup.io/company/
apis:
- name: Dynamic Signal API
  description: Employee communication platform API (details not publicly documented)
  humanURL: https://firstup.io/platform/integrations-apis/
  baseURL: null
  aid: dynamic-signal:dynamic-signal-api-2
- aid: dynamic-signal:dynamic-signal-api
  name: Dynamic Signal API
  description: 'Dynamic Signal API as documented publicly: 94 operations. Contract generated from the documentation by API
    Evangelist (2026-10-24);

    not the provider''s own document.'
  humanURL: https://developers.firstup.io/endpoints/openapi
  properties:
  - type: OpenAPI
    url: openapi/_ae-authored/dynamic-signal-openapi-generated.yml
    x-provenance: generated
x-coverage:
  state: unreadable
  reason: js-rendered-docs
  detail: Documentation pages are rendered via JavaScript and no machine‑readable OpenAPI spec was found.
  evidence:
  - url: https://firstup.io/platform/integrations-apis/
    status: 200
  checked: '2026-10-24'
x-enrichment:
  date: '2026-10-24'
  status: enriched
  artifacts_added: 27
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

Dynamic Signal API — frequently asked questions

Does Dynamic Signal have an API?

Yes. APIs.io lists 2 APIs from Dynamic Signal, including Dynamic Signal API and Dynamic Signal API.

Is there an OpenAPI specification for the Dynamic Signal API?

Yes. APIs.io indexes 1 OpenAPI specification for Dynamic Signal, each linked for download from this page.

How do I authenticate with the Dynamic Signal API?

Dynamic Signal documents its authentication (4 schemes). The details are profiled on APIs.io as Dynamic Signal Authentication.

Is the Dynamic Signal API ready for AI agents?

Dynamic Signal has a Kin Score of 41.4 out of 100 (developing) and an Agent Readiness score of 43.4 (agent-ready), scored by API Evangelist on 2026-10-31.

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