Sendspark

Sendspark is a video messaging and AI-personalized video platform for sales and marketing teams. Users record a single video and use AI voice cloning, lip sync, merge tags, and dynamic thumbnails to personalize it to each prospect at scale, delivered through custom landing pages with embedded booking calendars and call-to-action buttons. Sendspark ships a Chrome extension and desktop recorder, 60+ CRM/email/automation integrations (HubSpot, Salesforce, Salesloft, Clay, Zapier, Make), a public REST API for Dynamic Video campaigns, prospects, DVM bundles, and outbound webhooks, and a hosted read-only MCP server for AI assistants. It was surfaced as a portfolio company of 500 Global.

Sendspark publishes 4 APIs on the APIs.io network, including DVM Bundles API, Dynamics Campaign API, Webhook API, and 1 more. Tagged areas include Company, Video, Sales, Marketing, and Personalization.

The Sendspark catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Sendspark’s developer surface includes authentication, documentation, API reference, getting-started guide, support, engineering blog, pricing, and 22 more developer resources.

🌐 Visit website 📡 Source on GitHub
53.4/100 developing ▬ flat Agent 84/100 agent native Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
4 APIs 1 MCP Servers
CompanyVideoSalesMarketingPersonalizationArtificial IntelligenceVideo MessagingWebhooksMCP

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 53.4/100 · developing
Contract Quality 17.3 / 25
Developer Ergonomics 13.5 / 20
Commercial Clarity 8.9 / 20
Operational Transparency 3.8 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 84/100 · agent native
Machine-Readable Contract 18 / 18
Agentic Access Contract 15 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 9 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 6 / 6
Agent Skills 5 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/sendspark: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 4

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

Sendspark DVM Bundles API

The DVM Bundles API from Sendspark — 3 operation(s) for dvm bundles.

Sendspark Dynamics Campaign API

The Dynamics Campaign API from Sendspark — 12 operation(s) for dynamics campaign.

Sendspark Webhook API

The Webhook API from Sendspark — 2 operation(s) for webhook.

Sendspark Workspace API

The Workspace API from Sendspark — 2 operation(s) for workspace.

MCP Servers 1

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

sendspark-mcp.yml

MCP SERVER

Event Specifications 1

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

Sendspark Webhooks

Outbound webhook event surface derived from the Sendspark REST API webhook management operations and the documented WebhookVideoEventsSchema. Subscribers are registered per work...

ASYNCAPI

Security Posture 2

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

Sendspark Authentication

apiKey/oauth2 · 3 schemes

SECURITY

Sendspark Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

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

Sendspark Agentic Access

23 operations · 14 acting

23 operations · 14 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 SignUp
SignUp

Documentation 3

Reference material describing how the API behaves

AsyncAPI
AsyncAPI
 Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 6

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess
 MCPServer
MCPServer
 AgentSkill
AgentSkill
 AgentSkill
AgentSkill
 WellKnown
WellKnown
 LLMsTxt
LLMsTxt

Design & Contract 7

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 Idempotency
Idempotency
 ErrorCatalog
ErrorCatalog
 DataModel
DataModel
 Conformance
Conformance
 Lifecycle
Lifecycle
 Webhooks
Webhooks

Scroll for all 7

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

Authentication
Authentication
 DomainSecurity
DomainSecurity

Operate 2

Status, limits, changes, and where to get help

StatusPage
StatusPage
 Support
Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Blog
Blog
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: sendspark
name: Sendspark
description: Sendspark is a video messaging and AI-personalized video platform for sales and marketing teams. Users record
  a single video and use AI voice cloning, lip sync, merge tags, and dynamic thumbnails to personalize it to each prospect
  at scale, delivered through custom landing pages with embedded booking calendars and call-to-action buttons. Sendspark ships
  a Chrome extension and desktop recorder, 60+ CRM/email/automation integrations (HubSpot, Salesforce, Salesloft, Clay, Zapier,
  Make), a public REST API for Dynamic Video campaigns, prospects, DVM bundles, and outbound webhooks, and a hosted read-only
  MCP server for AI assistants. It was surfaced as a portfolio company of 500 Global.
url: https://raw.githubusercontent.com/api-evangelist/sendspark/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- 500-global
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://www.sendspark.com/hubfs/favicon-96x96.png
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Video
- Sales
- Marketing
- Personalization
- Artificial Intelligence
- Video Messaging
- Webhooks
- MCP
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
apis:
- aid: sendspark:sendspark-dvm-bundles-api
  name: Sendspark DVM Bundles API
  description: The DVM Bundles API from Sendspark — 3 operation(s) for dvm bundles.
  humanURL: https://help.sendspark.com/api-reference
  baseURL: https://api-gw.sendspark.com
  tags:
  - DVM Bundles
  properties:
  - type: OpenAPI
    url: openapi/sendspark-dvm-bundles-api-openapi.yml
  - type: Authentication
    url: authentication/sendspark-authentication.yml
  - type: Conventions
    url: conventions/sendspark-conventions.yml
  - type: Idempotency
    url: conventions/sendspark-conventions.yml
  - type: ErrorCatalog
    url: errors/sendspark-problem-types.yml
  - type: DataModel
    url: data-model/sendspark-data-model.yml
  - type: AsyncAPI
    url: asyncapi/sendspark-webhooks-asyncapi.yml
  - type: Webhooks
    url: asyncapi/sendspark-webhooks-asyncapi.yml
- aid: sendspark:sendspark-dynamics-campaign-api
  name: Sendspark Dynamics Campaign API
  description: The Dynamics Campaign API from Sendspark — 12 operation(s) for dynamics campaign.
  humanURL: https://help.sendspark.com/api-reference
  baseURL: https://api-gw.sendspark.com
  tags:
  - Dynamics Campaign
  properties:
  - type: OpenAPI
    url: openapi/sendspark-dynamics-campaign-api-openapi.yml
  - type: Authentication
    url: authentication/sendspark-authentication.yml
  - type: Conventions
    url: conventions/sendspark-conventions.yml
  - type: Idempotency
    url: conventions/sendspark-conventions.yml
  - type: ErrorCatalog
    url: errors/sendspark-problem-types.yml
  - type: DataModel
    url: data-model/sendspark-data-model.yml
  - type: AsyncAPI
    url: asyncapi/sendspark-webhooks-asyncapi.yml
  - type: Webhooks
    url: asyncapi/sendspark-webhooks-asyncapi.yml
- aid: sendspark:sendspark-webhook-api
  name: Sendspark Webhook API
  description: The Webhook API from Sendspark — 2 operation(s) for webhook.
  humanURL: https://help.sendspark.com/api-reference
  baseURL: https://api-gw.sendspark.com
  tags:
  - Webhook
  properties:
  - type: OpenAPI
    url: openapi/sendspark-webhook-api-openapi.yml
  - type: Authentication
    url: authentication/sendspark-authentication.yml
  - type: Conventions
    url: conventions/sendspark-conventions.yml
  - type: Idempotency
    url: conventions/sendspark-conventions.yml
  - type: ErrorCatalog
    url: errors/sendspark-problem-types.yml
  - type: DataModel
    url: data-model/sendspark-data-model.yml
  - type: AsyncAPI
    url: asyncapi/sendspark-webhooks-asyncapi.yml
  - type: Webhooks
    url: asyncapi/sendspark-webhooks-asyncapi.yml
- aid: sendspark:sendspark-workspace-api
  name: Sendspark Workspace API
  description: The Workspace API from Sendspark — 2 operation(s) for workspace.
  humanURL: https://help.sendspark.com/api-reference
  baseURL: https://api-gw.sendspark.com
  tags:
  - Workspace
  properties:
  - type: OpenAPI
    url: openapi/sendspark-workspace-api-openapi.yml
  - type: Authentication
    url: authentication/sendspark-authentication.yml
  - type: Conventions
    url: conventions/sendspark-conventions.yml
  - type: Idempotency
    url: conventions/sendspark-conventions.yml
  - type: ErrorCatalog
    url: errors/sendspark-problem-types.yml
  - type: DataModel
    url: data-model/sendspark-data-model.yml
  - type: AsyncAPI
    url: asyncapi/sendspark-webhooks-asyncapi.yml
  - type: Webhooks
    url: asyncapi/sendspark-webhooks-asyncapi.yml
common:
- type: AgenticAccess
  url: agentic-access/sendspark-agentic-access.yml
- type: Authentication
  url: authentication/sendspark-authentication.yml
- type: Conventions
  url: conventions/sendspark-conventions.yml
- type: Idempotency
  url: conventions/sendspark-conventions.yml
- type: ErrorCatalog
  url: errors/sendspark-problem-types.yml
- type: DataModel
  url: data-model/sendspark-data-model.yml
- type: Conformance
  url: conformance/sendspark-conformance.yml
- type: Lifecycle
  url: lifecycle/sendspark-lifecycle.yml
- type: StatusPage
  url: https://status.sendspark.com
- type: AsyncAPI
  url: asyncapi/sendspark-webhooks-asyncapi.yml
- type: Webhooks
  url: asyncapi/sendspark-webhooks-asyncapi.yml
- type: MCPServer
  url: mcp/sendspark-mcp.yml
- type: AgentSkill
  url: skills/sendspark-manage-webhooks.md
- type: AgentSkill
  url: skills/sendspark-launch-dynamic-campaign.md
- type: WellKnown
  url: well-known/sendspark-well-known.yml
- type: LLMsTxt
  url: llms/sendspark-llms.txt
- type: DomainSecurity
  url: security/sendspark-domain-security.yml
- type: DeveloperPortal
  url: https://help.sendspark.com
- type: Documentation
  url: https://help.sendspark.com
- type: APIReference
  url: https://help.sendspark.com/api-reference
- type: GettingStarted
  url: https://help.sendspark.com/mcp/overview
- type: Support
  url: https://help.sendspark.com
- type: Blog
  url: https://blog.sendspark.com
- type: GitHubOrganization
  url: https://github.com/sendspark
- type: Pricing
  url: https://www.sendspark.com/pricing
- type: SignUp
  url: https://sendspark.com/signup
- type: TermsOfService
  url: https://www.sendspark.com/terms
- type: PrivacyPolicy
  url: https://www.sendspark.com/privacy
- type: Integrations
  url: https://www.sendspark.com/integrations
- type: Website
  url: https://sendspark.com
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 15
  pass: local-v1