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 API contracts indexed 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 and 1 Spectral governance ruleset.

Sendspark’s developer surface includes authentication, documentation, API reference, getting-started guide, support, engineering blog, pricing, and 32 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

64.6/100 strong ▬ flat Agent 57/100 agent ready Front door AI 5/6 prominent Heartbeat 100/100 alive saas Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessPaid

1 published contract 1 MCP Servers 3 Agent Skills

Company Video Sales Marketing Personalization Artificial Intelligence Video Messaging Webhook MCP A2A

What this lets a business do 2

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

Marketing Management

BC-400

Dynamics Campaign

POST /v1/workspaces/{workspaceId}/dynamics POST /v1/workspaces/{workspaceId}/dynamics/{dynamicsId}/prospect

Developer Platform & API Ecosystem Management

BC-4270

Webhook

POST /v1/workspaces/{workspaceId}/webhooks

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 64.6/100 · strong

Contract Quality 11.0 / 19

Developer Ergonomics 9.6 / 15

Access Clarity 13.8 / 15

Operational Transparency 4.9 / 10

Contract Governance 1.6 / 9

Discoverability 5.6 / 8

Regulatory Posture 5.5 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 57/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 6 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 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 0 / 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 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 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/.

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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)
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link
Agentic Commerce Well-Known Document +5 pts — a parsing /.well-known/ucp.json or acp.json declaring a version and at least one service, OR (0.27) a live x402 payment challenge from _data/x402-adoption.json — `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 Quality scores 58.6 — up to +10.4 composite points
Contract Governance scores 18.2 — up to +9.8 composite points
Developer Ergonomics scores 64.3 — up to +7.1 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/sendspark/apis.yml: open an issue on github.com/api-evangelist/sendspark 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
Accelerator Portfolios (Y Combinator, 500 Global, Antler participation)	builds-on	22.2	-	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.

Standards implemented 7

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.

Agent2Agent

tagged — the provider's own APIs.json carries the standard as a tag; implementation not verified

Model Context Protocol (MCP)

measured — observed by APIs.io (verified)

Agent Skills

measured — observed by APIs.io (published)

OAuth 2.0 Protected Resource Metadata

measured — observed by APIs.io (verified)

Dynamic Client Registration

measured — observed by APIs.io (published)

OpenAPI

measured — observed by APIs.io (published)

OAuth 2.0

measured — observed by APIs.io (declared)

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.

Open Collections 4

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Sendspark DVM Bundles API

OPEN COLLECTION

Sendspark DVM Bundles Dynamics Campaign API

OPEN COLLECTION

Sendspark DVM Bundles Webhook API

OPEN COLLECTION

Sendspark DVM Bundles Workspace API

OPEN COLLECTION

MCP Servers 1

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

Sendspark MCP Server

Remote MCP server at apiv2.sendspark.com over HTTP; 6 tools listed.

MCP SERVER

Agent Skills 3

Packaged agent skills for driving this provider's APIs from an AI assistant.

Launch a Sendspark dynamic video campaign and track a prospect

AGENT SKILL

Subscribe to Sendspark video events via webhooks

AGENT SKILL

Sendspark

AGENT SKILL

Sendspark API pricing

Prices published by Sendspark, read 2026-10-28 from www.sendspark.com/pricing.

Plan	Price
Solo	$49/month Includes: 1 seat ($49/mo per extra), Store 5,000 videos, 100 Dynamic Video Minutes
Growth	$99/month Includes: 3 seats ($45/mo per extra), Store 20,000 videos, 250 Dynamic Video Minutes, 7,500 tasks
Team	$299/month Includes: 10 seats ($39/mo per extra), Store 100,000 videos, 1,000 Dynamic Video Minutes, 25,000 tasks
Business	$699/month Includes: 25 seats ($29/mo per extra), Unlimited videos, 3,000 Dynamic Video Minutes, 75,000 tasks
Agency	Custom Pricing Includes: Manage Multiple Teams, Single Dashboard View, Custom Dynamic Video Minute Packages, Analytics
Enterprise	Custom Pricing Includes: Custom Integrations, SOC 2 Compliance, Enterprise Analytics, Role Based Permissions

Plan details, limits and sources →

Rate limits

: 4000
: 2000
: 10000

All 6 limits →

Billed by: subscription · FinOps profile →

Pricing Plans 2

Published pricing tiers and plan structures.

Sendspark Plans Pricing

6 plans

PLANS

Sendspark Price Estimates

0 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Sendspark Rate Limits

6 limits

RATE LIMITS

Service Levels 1

Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.

Sendspark

SLA

FinOps 1

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

Sendspark Finops

FINOPS

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

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Sendspark API Rules

49 rules · 43 errors 5 warnings 1 info

SPECTRAL

OpenAPI Overlays 1

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.

Sendspark Openapi Overlay

3 actions · update · sendspark-openapi-original.json

DERIVED

Security Posture 3

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

Sendspark Authentication

apiKey/oauth2 · 3 schemes

SECURITY

Sendspark Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Sendspark Trust Center

trust center published

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Sendspark Scopes

4 scopes · authorizationCode/deviceCode/refreshToken

4 scopes

SCOPES

Agentic Access 1

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

Sendspark Agentic Access

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 7

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

MCPServer

AgentSkill

AgentSkill

WellKnown

LLMsTxt

AgentSkill

Scroll for all 7

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

DataModel

Conformance

Lifecycle

Webhooks

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

ToolCrosswalk

ToolCrosswalk

Packages

Packages

Access & Security 4

Authentication, authorization, and security posture

Authentication

DomainSecurity

OAuthScopes

TrustCenter

Operate 3

Status, limits, changes, and where to get help

StatusPage

StatusPage

Support

Support

RateLimits

RateLimits

Commercial 4

Pricing, plans, and the legal terms of use

Pricing

TermsOfService

PrivacyPolicy

Plans

Company 3

The organization behind the API

BlogRSS

BlogRSS

Blog

Blog

Website

Website

Other 3

Properties that don't map to a standard resource type

CapabilityMap

CapabilityMap

Overlay

Overlay

AgentCard

AgentCard

Source (apis.yml)

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
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: paid
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Paid
  confidence: high
  source:
  - plans
  - authentication
  - scopes
  - rate-limits
  - security
  generated: '2026-11-06'
  method: derived
image: https://www.sendspark.com/hubfs/favicon-96x96.png
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-10-06'
x-docs-platform: mintlify
x-docs-platform-confidence: medium
x-docs-platform-checked: 2026-10-04
tags:
- Company
- Video
- Sales
- Marketing
- Personalization
- Artificial Intelligence
- Video Messaging
- Webhook
- MCP
- A2A
tags_raw:
- Company
- Video
- Sales
- Marketing
- Personalization
- Artificial Intelligence
- Video Messaging
- Webhooks
- MCP
- A2A
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: 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: 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: 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: 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:
- url: https://blog.sendspark.com/rss.xml
  type: BlogRSS
- type: CapabilityMap
  url: capabilities/sendspark-capability-edges.yml
  name: Sendspark Business Capability Map
- type: Overlay
  url: overlays/sendspark-openapi-overlay.yaml
- type: AgenticAccess
  url: agentic-access/sendspark-agentic-access.yml
- type: Authentication
  url: authentication/sendspark-authentication.yml
- type: Conventions
  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/getting-started-guide-record-a-video
- 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
- type: AgentCard
  url: a2a/sendspark-a2a.yml
- type: AgentSkill
  url: skills/sendspark-published-skill.md
- type: ToolCrosswalk
  url: mcp/sendspark-tool-crosswalk.yml
- type: Packages
  url: packages/sendspark-packages.yml
- type: OAuthScopes
  url: scopes/sendspark-scopes.yml
- type: Plans
  url: plans/sendspark-plans-pricing.yml
- type: RateLimits
  url: rate-limits/sendspark-rate-limits.yml
- type: TrustCenter
  url: security/sendspark-trust-center.yml
x-enrichment:
  date: '2026-08-13'
  status: enriched
  artifacts_added: 11
  pass: local-v1
x-a2a:
  verified: true
  probed: '2026-09-26'
  url: https://help.sendspark.com/.well-known/agent-card.json
  grade: conformant
  protocol_version: '0.3'
  control: 404

Sendspark API — frequently asked questions

Does Sendspark have an API?

Yes. APIs.io lists 4 APIs from Sendspark, including Sendspark DVM Bundles API, Sendspark Dynamics Campaign API and Sendspark Webhook API, and 1 more.

Is there an OpenAPI specification for the Sendspark API?

Yes. APIs.io indexes 4 OpenAPI specifications for Sendspark, each linked for download from this page.

How do I authenticate with the Sendspark API?

Sendspark documents its authentication (apiKey/oauth2 · 3 schemes). The details are profiled on APIs.io as Sendspark Authentication.

How much does the Sendspark API cost?

Sendspark publishes its prices; its Solo plan is $49/month as of 2026-10-28. APIs.io lists 6 pricing plans for Sendspark, with each plan's price, limits and inclusions under Pricing on this page.

Does Sendspark have an MCP server?

Yes. APIs.io lists 1 MCP server for Sendspark: Remote MCP server at apiv2.sendspark.com over HTTP; 6 tools listed.

Is the Sendspark API ready for AI agents?

Sendspark has a Kin Score of 64.6 out of 100 (strong) and an Agent Readiness score of 56.6 (agent-ready), scored by API Evangelist on 2026-11-06.

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