Paubox

Paubox is a HIPAA compliant, HITRUST certified email infrastructure company serving healthcare organizations in the United States. Its products encrypt outbound email without recipient portals, passwords, or plugins, and work alongside Google Workspace and Microsoft 365. The developer surface is three REST APIs on api.paubox.com — the Paubox Email API for transactional email (send, bulk send, message receipt, Handlebars dynamic templates, templated messages) with an SMTP relay alternative at smtp.paubox.com:587; the Paubox Marketing API for HIPAA compliant campaign mailings, drip campaigns, subscribers, subscription lists, tracking links and campaign analytics; and the Paubox Forms API for building, hosting and processing secure patient intake forms with public respondent endpoints and scoped management endpoints. Paubox publishes OpenAPI 3.0 definitions for all three, official SDKs for ten languages, a Node-based CLI, delivery webhooks, an llms.txt, an A2A agent card, a published Agent Skill, and a hosted MCP server at mcp.paubox.com exposing 30 tools across email, forms and marketing.

Paubox publishes 13 API contracts indexed on the APIs.io network, including Analytics API, Campaign Mailings API, Drip Campaigns API, and 10 more. Tagged areas include Email, HIPAA, Healthcare, Compliance, and Transactional Email.

The Paubox catalog on APIs.io includes 1 event-driven AsyncAPI specification, 1 JSON-LD context, and 1 Spectral governance ruleset.

Paubox’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, pricing, signup flow, and 44 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

76.2/100 exemplar ▬ flat Agent 59/100 agent ready Front door AI 5/6 prominent saas Full breakdown ↓
scored 2026-10-31 · rubric v0.25.0 · Show this score on your site →

AccessFreemiumSelf serve⚡ Free to try

3 published contracts 1 MCP Servers 4 Agent Skills

Email HIPAA Healthcare Compliance Transactional Email Email Marketing Forms Security Encryption Messaging A2A

What this lets a business do 1

Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →

Marketing Management

BC-400

analyticscampaign_mailingsdrip_campaignssubscriberssubscription_listssubscriptions

POST /campaign_mailings POST /campaign_mailing_schedules GET /analytics/campaign_mailing_send_totals GET /analytics/subscribers_by_tracking_link

What people ask Paubox 12

The questions people put to an LLM, and the jobs they hand an agent, that Paubox's APIs answer — each one linked to the operation that does it. Generated by API Evangelist

Paubox Subscriptions API List all subscriber-to-list subscriptions “How do I see every subscriber-to-list membership in my account?” Subscribe an existing subscriber to a list “How do I put an existing subscriber onto a list using their internal numeric ID?” Get one subscription “How do I look up a single subscription by its UUID?” Unsubscribe one list membership “How do I unsubscribe someone from just one list using the subscription's UUID?”

Paubox Campaign Mailings API List marketing campaign emails “What marketing emails do I have saved in my account?” Create a marketing campaign email “How do I draft a new marketing email through the API before sending it?” Get one campaign mailing with its content “How can I see the HTML and text content of a specific campaign email?” Edit an existing campaign mailing “How do I change the subject of a marketing email I already created?”

Paubox Form management API List forms for a customer “What forms do I have, and can I see only the archived ones?” Create a new form “How do I build a new form through the API?” Get form and submission statistics “How many active forms do I have and how many submissions came in this past week?” Duplicate a form under a new title “Can I duplicate an existing form instead of building it from scratch?”

Paubox Subscribers API List marketing subscribers “Who are the contacts in my marketing audience?” Add a single subscriber “How do I add one new contact to my marketing audience?” Get one subscriber's details “How do I look up a single subscriber's record?” Replace a subscriber's record (PUT) “How do I overwrite a subscriber's record using a PUT request?”

Paubox Dynamic Templates API List dynamic email templates “Which Handlebars templates has my organization uploaded?” Upload a new Handlebars email template “How do I upload a Handlebars .hbs file to use for templated emails?” Get one dynamic template “How can I view a specific dynamic template's contents?” Delete a dynamic template “How do I remove a dynamic template I no longer use?”

Paubox Analytics API Get send totals for marketing campaigns “What are the overall delivery and engagement totals across the campaigns I've sent?” List sent campaigns as an analytics table “Where can I see a row-by-row table of every campaign I've sent?” Get link interaction stats grouped by unique link “Which links in a campaign got clicked, grouped per unique link?” List subscribers who interacted with a tracking link “Who exactly clicked a particular link in my campaign email?”

Paubox Drip Campaigns API List drip campaigns “What drip campaigns do I have set up?” Get details of one drip campaign “How do I see the configuration of a single drip campaign?” Update a drip campaign's settings “Can I change the settings of an existing drip campaign?” Start a drip campaign “How do I turn on a drip campaign so it begins sending?”

Paubox Subscription Lists API List contact lists “What subscription lists do I have in my marketing account?” Create a contact list “How do I create a new contact list for segmenting subscribers?” Rename a contact list (PUT) “How do I rename a subscription list with a PUT request?” Delete a contact list “How do I delete a subscription list I no longer need?”

Paubox Submissions API List submissions received by a form “How do I see the responses people submitted to my form?” Export all of a form's submissions as CSV “Can I download every response to a form as a spreadsheet?” Export one form submission as CSV “Can I export just one form response as a CSV row?” Export one form submission as PDF “Can I get a PDF copy of a form response, including the signature?”

Paubox Messages API Send a single secure email “How do I send one HIPAA-compliant email through Paubox?” Send a batch of emails in one request “Can I send many emails in a single request?” Check delivery and open status of a sent email “Was my email delivered, and did the recipient open it?”

Paubox Forms API Get a form's public definition for rendering “How does an embed load a form's HTML, schema and CSS before showing it to respondents?” Submit a response to a form “How do I submit answers to a form on behalf of a respondent?”

Paubox Tracking Links API List tracking links in a sent campaign “Which links were included in the emails of a sent campaign, with their tracking info?”

Kin Score

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

Composite quality — 76.2/100 · exemplar

Contract Quality 15.4 / 21

Developer Ergonomics 13.4 / 17

Access Clarity 15.2 / 17

Operational Transparency 8.7 / 11

Contract Governance 3.6 / 10

Discoverability 6.0 / 9

Regulatory Posture 4.8 / 15

Agent readiness — 59/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 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 6 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 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 6 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 0 / 5

Distinct Operations 3 / 3

Regulatory Posture applies to this provider. Its tags matched the Health 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):

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)
Documented Reversibility +6 pts — a reversal operation in the contract, graded up when a window is documented too
Pagination +5 pts — share of collection GETs (an array, or one wrapped in data/items/results ...) that declare a page/limit/offset/cursor parameter, a Link header or a next/cursor field; na with no collection GETs
Agentic Commerce Well-Known Document +5 pts — a parsing /.well-known/ucp.json or acp.json declaring a version and at least one service — `self` when its endpoints are on the provider's own domain, `platform` when they are on a vendor's
Dry-Run / Simulate Mode +4 pts — OpenAPI: destructive operations expose a dry_run / simulate / preview / validate_only parameter
Well-Known Catalog +4 pts — common[].type includes WellKnown, APICatalog, or api-catalog

1 more unmet check in the Agent Readiness table above.

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

Contract Governance scores 35.6 — up to +7.7 composite points
Contract Quality scores 72.4 — up to +6.9 composite points
Developer Ergonomics scores 78.6 — up to +4.3 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/paubox/apis.yml: open an issue on github.com/api-evangelist/paubox 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 →

Markets this provider is in provisional

The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.

Market	Position	Depth	Registered MCP server	Declares compatibility
Healthcare (FHIR)	list	20.3	-	2
PKI and Encryption (certificate authorities, key management)	list	20.3	-	2
Accelerator Portfolios (Y Combinator, 500 Global, Antler participation)	list	20.3	-	2
Common Criteria Certified Products (ISO/IEC 15408, NIAP Product Compliant List)	list	20.3	-	2
Official SDKs on Packagist, pub.dev and Hex	list	20.3	-	2

Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.

APIs 13

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

Paubox MCP Server

Hosted Model Context Protocol server exposing 30 Paubox tools across email, forms and email marketing to MCP-compatible AI clients. Reachable over streamable HTTP at https://mcp...

Paubox Analytics API

Campaign analytics and reporting operations

Paubox Campaign Mailings API

Campaign mailing management and sending operations

Paubox Drip Campaigns API

Drip campaign management and automation operations

Paubox Dynamic Templates API

Manage and use dynamic Handlebars templates for email content

Paubox Form management API

Create, list, update, copy, and archive forms (requires API key)

Paubox Forms API

Retrieve form definitions and accept submissions

Paubox Messages API

Send individual or bulk transactional email

Paubox Submissions API

List and export form submissions (requires API key)

Paubox Subscribers API

Subscriber management operations

Paubox Subscription Lists API

Subscription list management operations

Paubox Subscriptions API

Subscriber opt-in and opt-out operations

Paubox Tracking Links API

Tracking link analytics and data operations

Scroll for all 13

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Paubox MCP Server

Paubox ships a first-party Model Context Protocol server exposing 30 tools across the Email API, Forms API and Marketing API. It is offered over two transports: a hosted streama...

Rate Limits 1

Documented rate limits and quota policies.

Paubox Rate Limits

3 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Paubox Finops

FINOPS

Event Specifications 1

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

Paubox Email Webhooks

ASYNCAPI

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Paubox Context

120 classes · 163 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Paubox API Rules

16 rules · 11 errors 3 warnings 2 info

SPECTRAL

OpenAPI Overlays 15

Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.

Paubox Analytics Api Phrasing Overlay

6 actions · phrasing · paubox-analytics-api-openapi.yml

GENERATED

Paubox Campaign Mailings Api Phrasing Overlay

9 actions · phrasing · paubox-campaign-mailings-api-openapi.yml

GENERATED

Paubox Drip Campaigns Api Phrasing Overlay

6 actions · phrasing · paubox-drip-campaigns-api-openapi.yml

GENERATED

Paubox Dynamic Templates Api Phrasing Overlay

HITRUST, HIPAA / HITECH business associate

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Paubox Agentic Access

64 operations · 37 acting

AGENTIC

Resources

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

SignUp

SignUp

Login

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

LLMsTxt

AgentSkill

MCPServer

WellKnown

Design & Contract 9

Pagination, idempotency, versioning, errors, and events

Spectral

JSONLD

Vocabulary

Conventions

ErrorCatalog

Lifecycle

Conformance

DataModel

Webhooks

Scroll for all 9

Build 5

SDKs, sample code, and the tooling you integrate with

IntegrationEdges

IntegrationEdges

GitHubOrganization

Packages

SDKs

CLI

Access & Security 6

Authentication, authorization, and security posture

Security

Security

VulnerabilityDisclosure

VulnerabilityDisclosure

Compliance

TrustCenter

Authentication

DomainSecurity

Operate 6

Status, limits, changes, and where to get help

Deprecation

Support

HelpCenter

StatusPage

RateLimits

Contact

Commercial 4

Pricing, plans, and the legal terms of use

Pricing

TermsOfService

PrivacyPolicy

Plans

Company 3

The organization behind the API

BlogRSS

BlogRSS

Website

Website

Blog

Blog

Other 7

Properties that don't map to a standard resource type

Hosts

Vendors

CapabilityMap

Overlay

Overlay

Overlay

AgentCard

Scroll for all 7

Source (apis.yml)

aid: paubox
name: Paubox
description: Paubox is a HIPAA compliant, HITRUST certified email infrastructure company serving healthcare organizations
  in the United States. Its products encrypt outbound email without recipient portals, passwords, or plugins, and work alongside
  Google Workspace and Microsoft 365. The developer surface is three REST APIs on api.paubox.com — the Paubox Email API for
  transactional email (send, bulk send, message receipt, Handlebars dynamic templates, templated messages) with an SMTP relay
  alternative at smtp.paubox.com:587; the Paubox Marketing API for HIPAA compliant campaign mailings, drip campaigns, subscribers,
  subscription lists, tracking links and campaign analytics; and the Paubox Forms API for building, hosting and processing
  secure patient intake forms with public respondent endpoints and scoped management endpoints. Paubox publishes OpenAPI 3.0
  definitions for all three, official SDKs for ten languages, a Node-based CLI, delivery webhooks, an llms.txt, an A2A agent
  card, a published Agent Skill, and a hosted MCP server at mcp.paubox.com exposing 30 tools across email, forms and marketing.
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
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  - rate-limits
  - security
  generated: '2026-09-02'
  method: derived
image: https://www.paubox.com/hubfs/Logos/Paubox_Primary_color.svg
url: https://raw.githubusercontent.com/api-evangelist/paubox/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.20'
created: '2026-08-26'
modified: '2026-10-06'
x-docs-platform: mintlify
x-docs-platform-confidence: medium
x-docs-platform-checked: 2026-10-04
tags:
- Email
- HIPAA
- Healthcare
- Compliance
- Transactional Email
- Email Marketing
- Forms
- Security
- Encryption
- Messaging
- A2A
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Security
  url: https://www.paubox.com/.well-known/security.txt
- type: IntegrationEdges
  url: integrations/paubox-integration-edges.yml
- type: AgenticAccess
  url: agentic-access/paubox-agentic-access.yml
- type: Spectral
  url: rules/paubox-rules.yml
- type: JSONLD
  url: json-ld/paubox-context.jsonld
- type: Vocabulary
  url: vocabulary/paubox-vocabulary.yml
- type: VulnerabilityDisclosure
  url: security/paubox-vulnerability-disclosure.yml
- type: Deprecation
  url: lifecycle/paubox-lifecycle.yml
- type: Hosts
  url: hosts/paubox-hosts.yml
- type: Vendors
  url: vendors/paubox-vendors.yml
- url: https://www.paubox.com/blog/rss.xml
  type: BlogRSS
- type: CapabilityMap
  url: capabilities/paubox-capability-edges.yml
  name: Paubox Business Capability Map
- type: Overlay
  url: overlays/paubox-email-api-overlay.yaml
- type: Overlay
  url: overlays/paubox-marketing-api-overlay.yaml
- type: Overlay
  url: overlays/paubox-forms-api-overlay.yaml
- type: Website
  url: https://www.paubox.com/
- type: DeveloperPortal
  url: https://docs.paubox.com/welcome
- type: Documentation
  url: https://docs.paubox.com/welcome
- type: APIReference
  url: https://docs.paubox.com/email-api
- type: GettingStarted
  url: https://docs.paubox.com/email-api/quickstart
- type: Support
  url: https://support.paubox.com/
- type: HelpCenter
  url: https://github.com/Paubox/community/discussions
- type: Blog
  url: https://www.paubox.com/blog
- type: GitHubOrganization
  url: https://github.com/Paubox
- type: Pricing
  url: https://www.paubox.com/pricing/paubox-email-api
- type: SignUp
  url: https://www.paubox.com/pricing/paubox-email-api
- type: Login
  url: https://next.paubox.com/users/sign_in
- type: TermsOfService
  url: https://www.paubox.com/terms-of-service
- type: PrivacyPolicy
  url: https://www.paubox.com/privacy-policy
- type: StatusPage
  url: https://status.paubox.com/
- type: Compliance
  url: https://www.paubox.com/security
- type: TrustCenter
  url: security/paubox-trust-center.yml
- type: LLMsTxt
  url: llms/paubox-llms.txt
- type: AgentCard
  url: a2a/paubox-a2a.yml
- type: AgentSkill
  url: skills/_index.yml
- type: MCPServer
  url: mcp/paubox-mcp.yml
- type: Packages
  url: packages/paubox-packages.yml
- type: SDKs
  url: packages/paubox-packages.yml
- type: CLI
  url: cli/paubox-cli.yml
- type: Authentication
  url: authentication/paubox-authentication.yml
- type: Conventions
  url: conventions/paubox-conventions.yml
- type: ErrorCatalog
  url: errors/paubox-problem-types.yml
- type: Lifecycle
  url: lifecycle/paubox-lifecycle.yml
- type: Conformance
  url: conformance/paubox-conformance.yml
- type: DomainSecurity
  url: security/paubox-domain-security.yml
- type: Plans
  url: plans/paubox-plans-pricing.yml
- type: RateLimits
  url: rate-limits/paubox-rate-limits.yml
- type: DataModel
  url: data-model/paubox-data-model.yml
- type: Webhooks
  url: asyncapi/paubox-email-webhooks.yml
- type: WellKnown
  url: well-known/paubox-well-known.yml
- type: Contact
  url: mailto:support@paubox.com
apis:
- aid: paubox:paubox-mcp-server
  name: Paubox MCP Server
  description: Hosted Model Context Protocol server exposing 30 Paubox tools across email, forms and email marketing to MCP-compatible
    AI clients. Reachable over streamable HTTP at https://mcp.paubox.com/mcp with OAuth or an `x-paubox-api-key` header, and
    over stdio via the `@paubox/mcp` package.
  humanURL: https://docs.paubox.com/mcp-server/index
  baseURL: https://mcp.paubox.com/mcp
  tags:
  - MCP
  - Agents
  - Email
  properties:
  - type: MCPServer
    url: mcp/paubox-mcp.yml
  - type: ToolCrosswalk
    url: mcp/paubox-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.paubox.com/mcp-server/tools
- aid: paubox:paubox-analytics-api
  name: Paubox Analytics API
  description: Campaign analytics and reporting operations
  humanURL: https://docs.paubox.com/email-api
  baseURL: https://api.paubox.com/v1/email
  tags:
  - Analytics
  tags_raw:
  - analytics
  properties:
  - type: OpenAPI
    url: openapi/paubox-analytics-api-openapi.yml
  - type: Documentation
    url: https://docs.paubox.com/email-api
  - type: GettingStarted
    url: https://docs.paubox.com/email-api/quickstart
  - type: Authentication
    url: https://docs.paubox.com/email-api/authentication
  - type: Documentation
    url: https://docs.paubox.com/marketing
  - type: Documentation
    url: https://docs.paubox.com/forms/index
  - type: Authentication
    url: https://docs.paubox.com/forms/authentication
  - type: JSONSchema
    url: json-schema/paubox-subscribers-by-tracking-link-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-campaign-deliveries-table-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-campaign-table-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-tracking-links-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-campaign-analytics-response-schema.json
- aid: paubox:paubox-campaign-mailings-api
  name: Paubox Campaign Mailings API
  description: Campaign mailing management and sending operations
  humanURL: https://docs.paubox.com/email-api
  baseURL: https://api.paubox.com/v1/email
  tags: []
  tags_raw:
  - campaign_mailings
  properties:
  - type: OpenAPI
    url: openapi/paubox-campaign-mailings-api-openapi.yml
  - type: Documentation
    url: https://docs.paubox.com/email-api
  - type: GettingStarted
    url: https://docs.paubox.com/email-api/quickstart
  - type: Authentication
    url: https://docs.paubox.com/email-api/authentication
  - type: Documentation
    url: https://docs.paubox.com/marketing
  - type: Documentation
    url: https://docs.paubox.com/forms/index
  - type: Authentication
    url: https://docs.paubox.com/forms/authentication
  - type: JSONSchema
    url: json-schema/paubox-schedule-campaign-mailing-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-send-campaign-mailing-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-campaign-mailing-write-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-bulk-delete-campaign-mailings-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-campaign-mailings-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-create-campaign-mailing-request-schema.json
- aid: paubox:paubox-drip-campaigns-api
  name: Paubox Drip Campaigns API
  description: Drip campaign management and automation operations
  humanURL: https://docs.paubox.com/email-api
  baseURL: https://api.paubox.com/v1/email
  tags:
  - Drip Campaigns
  tags_raw:
  - drip_campaigns
  properties:
  - type: OpenAPI
    url: openapi/paubox-drip-campaigns-api-openapi.yml
  - type: Documentation
    url: https://docs.paubox.com/email-api
  - type: GettingStarted
    url: https://docs.paubox.com/email-api/quickstart
  - type: Authentication
    url: https://docs.paubox.com/email-api/authentication
  - type: Documentation
    url: https://docs.paubox.com/marketing
  - type: Documentation
    url: https://docs.paubox.com/forms/index
  - type: Authentication
    url: https://docs.paubox.com/forms/authentication
  - type: JSONSchema
    url: json-schema/paubox-drip-campaigns-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-update-drip-campaign-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-pause-drip-campaign-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-start-drip-campaign-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-drip-campaign-response-schema.json
- aid: paubox:paubox-dynamic-templates-api
  name: Paubox Dynamic Templates API
  description: Manage and use dynamic Handlebars templates for email content
  humanURL: https://docs.paubox.com/email-api
  baseURL: https://api.paubox.com/v1/email
  tags:
  - Dynamic Templates
  properties:
  - type: OpenAPI
    url: openapi/paubox-dynamic-templates-api-openapi.yml
  - type: Documentation
    url: https://docs.paubox.com/email-api
  - type: GettingStarted
    url: https://docs.paubox.com/email-api/quickstart
  - type: Authentication
    url: https://docs.paubox.com/email-api/authentication
  - type: Documentation
    url: https://docs.paubox.com/marketing
  - type: Documentation
    url: https://docs.paubox.com/forms/index
  - type: Authentication
    url: https://docs.paubox.com/forms/authentication
  - type: JSONSchema
    url: json-schema/paubox-dynamic-template-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-dynamic-templates-body-schema.json
  - type: JSONSchema
    url: json-schema/paubox-single-send-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-dynamic-templates-id-body-schema.json
  - type: JSONSchema
    url: json-schema/paubox-dynamic-template-list-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-templated-message-request-schema.json
- aid: paubox:paubox-form-management-api
  name: Paubox Form management API
  description: Create, list, update, copy, and archive forms (requires API key)
  humanURL: https://docs.paubox.com/email-api
  baseURL: https://api.paubox.com/v1/email
  tags:
  - Form management
  properties:
  - type: OpenAPI
    url: openapi/paubox-form-management-api-openapi.yml
  - type: Documentation
    url: https://docs.paubox.com/email-api
  - type: GettingStarted
    url: https://docs.paubox.com/email-api/quickstart
  - type: Authentication
    url: https://docs.paubox.com/email-api/authentication
  - type: Documentation
    url: https://docs.paubox.com/marketing
  - type: Documentation
    url: https://docs.paubox.com/forms/index
  - type: Authentication
    url: https://docs.paubox.com/forms/authentication
  - type: JSONSchema
    url: json-schema/paubox-form-schema.json
  - type: JSONSchema
    url: json-schema/paubox-create-form-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-update-form-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-form-stats-schema.json
  - type: JSONSchema
    url: json-schema/paubox-copy-form-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-form-list-response-schema.json
- aid: paubox:paubox-forms-api
  name: Paubox Forms API
  description: Retrieve form definitions and accept submissions
  humanURL: https://docs.paubox.com/email-api
  baseURL: https://api.paubox.com/v1/email
  tags:
  - Forms
  properties:
  - type: OpenAPI
    url: openapi/paubox-forms-api-openapi.yml
  - type: Documentation
    url: https://docs.paubox.com/email-api
  - type: GettingStarted
    url: https://docs.paubox.com/email-api/quickstart
  - type: Authentication
    url: https://docs.paubox.com/email-api/authentication
  - type: Documentation
    url: https://docs.paubox.com/marketing
  - type: Documentation
    url: https://docs.paubox.com/forms/index
  - type: Authentication
    url: https://docs.paubox.com/forms/authentication
  - type: JSONSchema
    url: json-schema/paubox-form-schema.json
  - type: JSONSchema
    url: json-schema/paubox-form-submission-request-schema.json
- aid: paubox:paubox-messages-api
  name: Paubox Messages API
  description: Send individual or bulk transactional email
  humanURL: https://docs.paubox.com/email-api
  baseURL: https://api.paubox.com/v1/email
  tags:
  - Message
  tags_raw:
  - Messages
  properties:
  - type: OpenAPI
    url: openapi/paubox-messages-api-openapi.yml
  - type: Documentation
    url: https://docs.paubox.com/email-api
  - type: GettingStarted
    url: https://docs.paubox.com/email-api/quickstart
  - type: Authentication
    url: https://docs.paubox.com/email-api/authentication
  - type: Documentation
    url: https://docs.paubox.com/marketing
  - type: Documentation
    url: https://docs.paubox.com/forms/index
  - type: Authentication
    url: https://docs.paubox.com/forms/authentication
  - type: JSONSchema
    url: json-schema/paubox-message-receipt-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-single-send-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-bulk-send-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-single-send-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-bulk-send-request-schema.json
- aid: paubox:paubox-submissions-api
  name: Paubox Submissions API
  description: List and export form submissions (requires API key)
  humanURL: https://docs.paubox.com/email-api
  baseURL: https://api.paubox.com/v1/email
  tags:
  - Submissions
  properties:
  - type: OpenAPI
    url: openapi/paubox-submissions-api-openapi.yml
  - type: Documentation
    url: https://docs.paubox.com/email-api
  - type: GettingStarted
    url: https://docs.paubox.com/email-api/quickstart
  - type: Authentication
    url: https://docs.paubox.com/email-api/authentication
  - type: Documentation
    url: https://docs.paubox.com/marketing
  - type: Documentation
    url: https://docs.paubox.com/forms/index
  - type: Authentication
    url: https://docs.paubox.com/forms/authentication
  - type: JSONSchema
    url: json-schema/paubox-form-submission-list-response-schema.json
- aid: paubox:paubox-subscribers-api
  name: Paubox Subscribers API
  description: Subscriber management operations
  humanURL: https://docs.paubox.com/email-api
  baseURL: https://api.paubox.com/v1/email
  tags:
  - Subscribers
  tags_raw:
  - subscribers
  properties:
  - type: OpenAPI
    url: openapi/paubox-subscribers-api-openapi.yml
  - type: Documentation
    url: https://docs.paubox.com/email-api
  - type: GettingStarted
    url: https://docs.paubox.com/email-api/quickstart
  - type: Authentication
    url: https://docs.paubox.com/email-api/authentication
  - type: Documentation
    url: https://docs.paubox.com/marketing
  - type: Documentation
    url: https://docs.paubox.com/forms/index
  - type: Authentication
    url: https://docs.paubox.com/forms/authentication
  - type: JSONSchema
    url: json-schema/paubox-bulk-create-subscribers-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-create-subscriber-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-update-subscriber-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-subscribers-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-bulk-create-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-detailed-subscriber-response-schema.json
- aid: paubox:paubox-subscription-lists-api
  name: Paubox Subscription Lists API
  description: Subscription list management operations
  humanURL: https://docs.paubox.com/email-api
  baseURL: https://api.paubox.com/v1/email
  tags:
  - Subscription Lists
  tags_raw:
  - subscription_lists
  properties:
  - type: OpenAPI
    url: openapi/paubox-subscription-lists-api-openapi.yml
  - type: Documentation
    url: https://docs.paubox.com/email-api
  - type: GettingStarted
    url: https://docs.paubox.com/email-api/quickstart
  - type: Authentication
    url: https://docs.paubox.com/email-api/authentication
  - type: Documentation
    url: https://docs.paubox.com/marketing
  - type: Documentation
    url: https://docs.paubox.com/forms/index
  - type: Authentication
    url: https://docs.paubox.com/forms/authentication
  - type: JSONSchema
    url: json-schema/paubox-create-subscription-list-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-subscription-lists-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-update-subscription-list-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-subscription-list-response-schema.json
- aid: paubox:paubox-subscriptions-api
  name: Paubox Subscriptions API
  description: Subscriber opt-in and opt-out operations
  humanURL: https://docs.paubox.com/email-api
  baseURL: https://api.paubox.com/v1/email
  tags:
  - Subscription
  tags_raw:
  - subscriptions
  properties:
  - type: OpenAPI
    url: openapi/paubox-subscriptions-api-openapi.yml
  - type: Documentation
    url: https://docs.paubox.com/email-api
  - type: GettingStarted
    url: https://docs.paubox.com/email-api/quickstart
  - type: Authentication
    url: https://docs.paubox.com/email-api/authentication
  - type: Documentation
    url: https://docs.paubox.com/marketing
  - type: Documentation
    url: https://docs.paubox.com/forms/index
  - type: Authentication
    url: https://docs.paubox.com/forms/authentication
  - type: JSONSchema
    url: json-schema/paubox-bulk-subscription-change-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-subscription-change-request-schema.json
  - type: JSONSchema
    url: json-schema/paubox-bulk-subscription-change-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-subscription-change-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-create-subscription-response-schema.json
  - type: JSONSchema
    url: json-schema/paubox-create-subscription-request-schema.json
- aid: paubox:paubox-tracking-links-api
  name: Paubox Tracking Links API
  description: Tracking link analytics and data operations
  humanURL: https://docs.paubox.com/email-api
  baseURL: https://api.paubox.com/v1/email
  tags:
  - Tracking Links
  tags_raw:
  - tracking_links
  properties:
  - type: OpenAPI
    url: openapi/paubox-tracking-links-api-openapi.yml
  - type: Documentation
    url: https://docs.paubox.com/email-api
  - type: GettingStarted
    url: https://docs.paubox.com/email-api/quickstart
  - type: Authentication
    url: https://docs.paubox.com/email-api/authentication
  - type: Documentation
    url: https://docs.paubox.com/marketing
  - type: Documentation
    url: https://docs.paubox.com/forms/index
  - type: Authentication
    url: https://docs.paubox.com/forms/authentication
  - type: JSONSchema
    url: json-schema/paubox-tracking-links-detail-response-schema.json
x-enrichment:
  date: '2026-10-12'
  status: enriched
  artifacts_added: 2
  pass: local-v5
x-a2a:
  verified: true
  probed: '2026-09-26'
  url: https://docs.paubox.com/.well-known/agent-card.json
  grade: conformant
  protocol_version: '0.3'
  control: 404

Paubox API — frequently asked questions

Does Paubox have an API?

Yes. APIs.io lists 13 APIs from Paubox, including Paubox MCP Server, Paubox Analytics API and Paubox Campaign Mailings API, and 10 more.

Is there an OpenAPI specification for the Paubox API?

Yes. APIs.io indexes 12 OpenAPI specifications for Paubox, each linked for download from this page.

How do I authenticate with the Paubox API?

Paubox documents its authentication (apiKey/http/oauth2 · 5 schemes). The details are profiled on APIs.io as Paubox Authentication.

How much does the Paubox API cost?

APIs.io lists 2 pricing plans for Paubox, with each plan's price, limits and inclusions under Pricing Plans on this page.

Does Paubox have an MCP server?

Yes. APIs.io lists 1 MCP server for Paubox: Paubox ships a first-party Model Context Protocol server exposing 30 tools across the Email API, Forms API and Marketing API. It is offered over two transports: a hosted streamable-HTTP endpoint at ht

Is the Paubox API ready for AI agents?

Paubox has a Kin Score of 76.2 out of 100 (exemplar) and an Agent Readiness score of 59.3 (agent-ready), scored by API Evangelist on 2026-10-31.

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