ProspectAPIs

ProspectAPIs provides a funding signals and prospect research API that lets developers search for funding rounds at $0.02 per record after a free tier of 100 records per month. Users can receive new round notifications via webhooks and obtain cited research briefs on companies for $0.15 each. The service targets investors, analysts, and businesses seeking up‑to‑date financing information, offering both a searchable database and automated alerts. It aims to streamline due‑diligence and market intelligence workflows through a simple RESTful interface. ProspectAPIs also offers comprehensive documentation, SDKs in multiple languages, and a developer portal for easy integration.

ProspectAPIs publishes 18 API contracts indexed on the APIs.io network, including Pricing API, Watchlists API, Account API, and 15 more. Tagged areas include Company, Funding, Research, Data, and Funding Data.

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

ProspectAPIs’ developer surface includes getting-started guide, API reference, changelog, authentication, documentation, pricing, engineering blog, and 35 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

53.2/100 developing ▲ 9.2 Agent 54/100 agent native Heartbeat 100/100 alive 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 Funding Research Data Funding DataProspect ResearchEmail VerificationLinkedIn dataWatchlist MCP

Kin Score

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

Composite quality — 53.2/100 · developing

Contract Quality 11.0 / 19

Developer Ergonomics 5.4 / 15

Access Clarity 9.3 / 15

Operational Transparency 5.9 / 10

Contract Governance 2.0 / 9

Discoverability 5.5 / 8

Regulatory Posture 4.0 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 54/100 · agent native

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 9 / 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 4 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 8 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 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

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):

MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document
Delegated User Identity +6 pts — a served discovery document listing authorization_code in grant_types_supported (served), else an oauth2 authorizationCode flow or openIdConnect declared in an OpenAPI (documented)
Documented Reversibility +6 pts — a reversal operation in the contract, graded up when a window is documented too
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

1 more unmet check in the Agent Readiness table above.

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

Developer Ergonomics scores 36.3 — up to +12.7 composite points
Contract Quality scores 58.9 — up to +10.3 composite points
Contract Governance scores 22.0 — up to +9.4 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/prospectapis/apis.yml: open an issue on github.com/api-evangelist/prospectapis 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 3

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

measured — observed by APIs.io (flavored)

OAuth 2.0 Protected Resource Metadata

measured — observed by APIs.io (verified)

OpenAPI

measured — observed by APIs.io (published)

APIs 18

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

ProspectAPIs Pricing API

The Pricing API from ProspectAPIs — 1 operation(s) for pricing.

ProspectAPIs Watchlists API

The Watchlists API from ProspectAPIs — 3 operation(s) for watchlists.

ProspectAPIs Account API

Your balance, feedback and the API version.

ProspectAPIs Account insights API

Reads about your own connected account and the people you act on: skills, profile views, social selling index and post insights.

ProspectAPIs Ads API

A company's live ads on the public Meta, Google, LinkedIn and TikTok ad libraries, keyed on its domain.

ProspectAPIs Companies API

Cited company profiles, one record per domain, built from public sources with a source on every field.

ProspectAPIs Connected account API

Connect your own account once, then the people writes and the page-followers read act on it. Free: connecting, checking and disconnecting cost nothing.

ProspectAPIs Email verification API

Check email addresses for deliverability before you send.

ProspectAPIs Events API

Event discovery: public Luma and Partiful events by city, in one record shape, read without an account.

ProspectAPIs Funding API

Search and read funding rounds.

ProspectAPIs Health API

The Health API from ProspectAPIs — 1 operation(s) for health.

ProspectAPIs Launches API

Launch events as prospecting triggers: a company said it launched (stage post) or is about to (stage pre). Not available yet: 503 until GET /pricing reports launches available.

ProspectAPIs Messaging reads API

Read your connected account's conversations and threads. One published price per read.

ProspectAPIs Meta API

Keyless endpoints: the price list and liveness.

ProspectAPIs People reads API

Live reads of people and pages: each call fetches fresh at request time. $0.012 per live read.

ProspectAPIs People writes API

Act on your own connected account: message, invite, follow, visit, post, react, comment, repost, quote. One published price per route.

ProspectAPIs ProspectAPIs API

The ProspectAPIs API API from ProspectAPIs — 2 operation(s) for prospectapis api.

ProspectAPIs Research API

Start and poll cited prospect research briefs.

Scroll for all 18

MCP Servers 1

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

ProspectAPIs MCP Server

Local (stdio) MCP server published on npm as prospectapis-mcp (MIT), 14 tools, one per REST endpoint, using the same API key and prepaid balance as the REST API. npx prospectapi...

MCP SERVER

Agent Skills 3

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

prospectapis-connect-account-login

AGENT SKILL

prospectapis-event-search-and-enrich

AGENT SKILL

prospectapis-get-person-profile

AGENT SKILL

ProspectAPIs pricing

Prices published by ProspectAPIs, read 2026-10-14 from prospectapis.com/pricing.

Plan	Price
Credit Pack $10	$10
Credit Pack $25	$25
Credit Pack $50	$50
Credit Pack $100	$100

Plan details, limits and sources →

Rate limits

/v1 (every REST endpoint): 60 requests a minute per API key
/mcp (the hosted MCP server): 60 messages a minute per API key
POST /v1/watchlists/:id/test: 5 test deliveries a minute per account

All 4 limits →

Billed by: seat · FinOps profile →

Pricing Plans 1

Published pricing tiers and plan structures.

Prospectapis Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Prospectapis Rate Limits

4 limits

RATE LIMITS

Service Levels 1

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

ProspectAPIs

SLA

FinOps 1

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

Prospectapis Finops

FINOPS

Event Specifications 1

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

Prospectapis Webhooks

ASYNCAPI

Semantic Vocabularies 1

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

Prospectapis Context

4 classes · 10 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

ProspectAPIs API Rules

68 rules · 49 errors 16 warnings 3 info

SPECTRAL

JSON Schema 4

Standalone JSON Schema definitions for this provider's data models.

GetHealthResponse

1 properties

JSON SCHEMA

GetV1V1IdResponse

6 properties

JSON SCHEMA

PostV1V1IdRequest

3 properties

JSON SCHEMA

PostV1V1IdResponse

6 properties

JSON SCHEMA

Security Posture 3

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

Prospectapis Authentication

2 schemes

SECURITY

Prospectapis Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Prospectapis Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access 1

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

Prospectapis Agentic Access

107 operations · 44 acting · 3 human-in-the-loop

107 operations · 44 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

SignUp

SignUp

Login

Documentation 2

Reference material describing how the API behaves

APIReference

APIReference

Documentation

Documentation

Agent Surfaces 6

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgentSkill

LLMsTxt

WellKnown

LLMsTxt

MCPServer

Design & Contract 10

Pagination, idempotency, versioning, errors, and events

Webhooks

Idempotency

ErrorCatalog

Spectral

JSONLD

Vocabulary

DataModel

Conventions

Lifecycle

Conformance

Scroll for all 10

Build 3

SDKs, sample code, and the tooling you integrate with

SDKs

SDKs

Packages

Packages

GitHubOrganization

GitHubOrganization

Access & Security 5

Authentication, authorization, and security posture

Security

Security

Authentication

Authentication

SecurityTxt

SecurityTxt

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Operate 3

Status, limits, changes, and where to get help

RateLimits

RateLimits

ChangeLog

ChangeLog

ChangeLog

ChangeLog

Commercial 5

Pricing, plans, and the legal terms of use

FinOps

Plans

Pricing

TermsOfService

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 3

Properties that don't map to a standard resource type

AgentCard

AgentCard

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: prospectapis
name: ProspectAPIs
accessModel:
  pricing: paid
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Paid
  confidence: high
  probe_state: unreadable
  source:
  - plans
  - authentication
  - rate-limits
  - security
  generated: '2026-11-06'
  method: derived
image: https://prospectapis.com/opengraph-image-12o0cb?041bc0296eca8283
description: ProspectAPIs provides a funding signals and prospect research API that lets developers search for funding rounds
  at $0.02 per record after a free tier of 100 records per month. Users can receive new round notifications via webhooks and
  obtain cited research briefs on companies for $0.15 each. The service targets investors, analysts, and businesses seeking
  up‑to‑date financing information, offering both a searchable database and automated alerts. It aims to streamline due‑diligence
  and market intelligence workflows through a simple RESTful interface. ProspectAPIs also offers comprehensive documentation,
  SDKs in multiple languages, and a developer portal for easy integration.
url: https://raw.githubusercontent.com/api-evangelist/prospectapis/refs/heads/main/apis.yml
x-type: company
x-source: harvest:new-submission
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-14 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-10-14'
modified: '2026-10-14'
tags:
- Company
- Funding
- Research
- Data
- Funding Data
- Prospect Research
- Email Verification
- LinkedIn data
- Watchlist
- MCP
tags_raw:
- Company
- Funding
- Research
- API
- Data
- Funding data
- Prospect research
- Email verification
- LinkedIn data
- Watchlists
- MCP
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/prospectapis-agentic-access.yml
- type: FinOps
  url: finops/prospectapis-finops.yml
- type: RateLimits
  url: rate-limits/prospectapis-rate-limits.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Webhooks
  url: asyncapi/prospectapis-webhooks.yml
- type: Idempotency
  url: conventions/prospectapis-conventions.yml
- type: ErrorCatalog
  url: errors/prospectapis-problem-types.yml
- type: GettingStarted
  url: https://prospectapis.com/faq#getting-started
- type: APIReference
  url: https://prospectapis.com/docs/reference
- type: Plans
  url: plans/prospectapis-plans-pricing.yml
- type: Spectral
  url: rules/prospectapis-rules.yml
- type: JSONLD
  url: json-ld/prospectapis-context.jsonld
- type: Vocabulary
  url: vocabulary/prospectapis-vocabulary.yml
- type: DataModel
  url: data-model/prospectapis-data-model.yml
- type: ChangeLog
  url: changelog/prospectapis-changelog.yml
- type: Conventions
  url: conventions/prospectapis-conventions.yml
- type: Security
  url: security/prospectapis-vulnerability-disclosure.yml
- type: Authentication
  url: authentication/prospectapis-authentication.yml
- type: Lifecycle
  url: lifecycle/prospectapis-lifecycle.yml
- type: Conformance
  url: conformance/prospectapis-conformance.yml
- type: LLMsTxt
  url: llms/prospectapis-llms.txt
- type: AgentCard
  url: a2a/prospectapis-a2a.yml
- type: SecurityTxt
  url: well-known/prospectapis-security.txt
- type: WellKnown
  url: well-known/prospectapis-well-known.yml
- type: Hosts
  url: hosts/prospectapis-hosts.yml
- type: Vendors
  url: vendors/prospectapis-vendors.yml
- type: SDKs
  url: packages/prospectapis-packages.yml
- type: Packages
  url: packages/prospectapis-packages.yml
- type: ChangeLog
  url: https://prospectapis.com/changelog
- type: LLMsTxt
  url: https://prospectapis.com/llms.txt
  name: llms.txt (provider-hosted)
- type: MCPServer
  url: https://prospectapis.com/mcp
  name: ProspectAPIs MCP Server
  description: Local (stdio) MCP server published on npm as prospectapis-mcp (MIT), 14 tools, one per REST endpoint, using
    the same API key and prepaid balance as the REST API. npx prospectapis-mcp. Source https://github.com/ProspectAPIs/prospectapis-mcp.
- type: GitHubOrganization
  url: https://github.com/ProspectAPIs
- type: VulnerabilityDisclosure
  url: security/prospectapis-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/prospectapis-domain-security.yml
- type: Website
  url: https://prospectapis.com
- type: Documentation
  url: https://prospectapis.com/docs
- type: Pricing
  url: https://prospectapis.com/pricing
- type: Blog
  url: https://prospectapis.com/blog
- type: SignUp
  url: https://prospectapis.com/signup
- type: Login
  url: https://prospectapis.com/login
- type: TermsOfService
  url: https://prospectapis.com/terms
- type: PrivacyPolicy
  url: https://prospectapis.com/privacy
apis:
- aid: prospectapis:prospectapis-pricing-api
  name: ProspectAPIs Pricing API
  description: The Pricing API from ProspectAPIs — 1 operation(s) for pricing.
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Pricing
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-pricing-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-watchlists-api
  name: ProspectAPIs Watchlists API
  description: The Watchlists API from ProspectAPIs — 3 operation(s) for watchlists.
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Watchlist
  tags_raw:
  - Watchlists
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-watchlists-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-account-api
  name: ProspectAPIs Account API
  description: Your balance, feedback and the API version.
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Account
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-account-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-account-insights-api
  name: ProspectAPIs Account insights API
  description: 'Reads about your own connected account and the people you act on: skills, profile views, social selling index
    and post insights.'
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Account insights
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-account-insights-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-ads-api
  name: ProspectAPIs Ads API
  description: A company's live ads on the public Meta, Google, LinkedIn and TikTok ad libraries, keyed on its domain.
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Ads
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-ads-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-companies-api
  name: ProspectAPIs Companies API
  description: Cited company profiles, one record per domain, built from public sources with a source on every field.
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Companies
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-companies-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-connected-account-api
  name: ProspectAPIs Connected account API
  description: 'Connect your own account once, then the people writes and the page-followers read act on it. Free: connecting,
    checking and disconnecting cost nothing.'
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Connected account
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-connected-account-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-email-verification-api
  name: ProspectAPIs Email verification API
  description: Check email addresses for deliverability before you send.
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Email Verification
  tags_raw:
  - Email verification
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-email-verification-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-events-api
  name: ProspectAPIs Events API
  description: 'Event discovery: public Luma and Partiful events by city, in one record shape, read without an account.'
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Event
  tags_raw:
  - Events
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-events-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-funding-api
  name: ProspectAPIs Funding API
  description: Search and read funding rounds.
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Funding
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-funding-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-health-api
  name: ProspectAPIs Health API
  description: The Health API from ProspectAPIs — 1 operation(s) for health.
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Health
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-health-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-launches-api
  name: ProspectAPIs Launches API
  description: 'Launch events as prospecting triggers: a company said it launched (stage post) or is about to (stage pre).
    Not available yet: 503 until GET /pricing reports launches available.'
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Launches
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-launches-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-messaging-reads-api
  name: ProspectAPIs Messaging reads API
  description: Read your connected account's conversations and threads. One published price per read.
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Messaging reads
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-messaging-reads-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-meta-api
  name: ProspectAPIs Meta API
  description: 'Keyless endpoints: the price list and liveness.'
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Meta
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-meta-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-people-reads-api
  name: ProspectAPIs People reads API
  description: 'Live reads of people and pages: each call fetches fresh at request time. $0.012 per live read.'
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - People reads
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-people-reads-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-people-writes-api
  name: ProspectAPIs People writes API
  description: 'Act on your own connected account: message, invite, follow, visit, post, react, comment, repost, quote. One
    published price per route.'
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - People writes
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-people-writes-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-prospectapis-api-api
  name: ProspectAPIs ProspectAPIs API
  description: The ProspectAPIs API API from ProspectAPIs — 2 operation(s) for prospectapis api.
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - ProspectAPIs API
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-prospectapis-api-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
- aid: prospectapis:prospectapis-research-api
  name: ProspectAPIs Research API
  description: Start and poll cited prospect research briefs.
  humanURL: https://prospectapis.com/docs
  baseURL: https://api.prospectapis.com
  tags:
  - Research
  properties:
  - type: OpenAPI
    url: openapi/prospectapis-research-api-openapi.yml
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-v1-v1-id-response-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-post-v1-v1-id-request-schema.json
  - type: JSONSchema
    url: json-schema/prospectapis-get-health-response-schema.json
x-submission-notes: 'Funding-round search + company briefs; same emma@ submitter as the Reddit/X resale domains — data provenance
  unclear | Kin approved listing 2026-10-14 (case-by-case: Funding-round search + company briefs; same emma@ submitter as
  the Reddit/X resale domains — data provenance unclear)'
x-submission-probe: root 200, docs 200; soft-404 ok
x-submitted-by: emma@prospectapis.com (apis.io/add, 2026-10-13)
x-coverage:
  state: unreadable
  reason: js-rendered-docs
  detail: The API documentation is a JavaScript‑rendered site with no machine‑readable OpenAPI spec discovered.
  evidence:
  - url: https://api.prospectapis.com/openapi.json
    status: 404
  checked: '2026-10-14'
x-enrichment:
  date: '2026-11-04'
  status: enriched
  artifacts_added: 26
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

ProspectAPIs — frequently asked questions

Does ProspectAPIs have an API?

Yes. APIs.io lists 18 APIs from ProspectAPIs, including ProspectAPIs Pricing API, ProspectAPIs Watchlists API and ProspectAPIs Account API, and 15 more.

Is there an OpenAPI specification for the ProspectAPIs?

Yes. APIs.io indexes 18 OpenAPI specifications for ProspectAPIs, each linked for download from this page.

How do I authenticate with the ProspectAPIs?

ProspectAPIs uses bearer-token authentication (2 schemes). The details are profiled on APIs.io as Prospectapis Authentication.

How much does the ProspectAPIs cost?

ProspectAPIs publishes its prices; its Credit Pack $10 plan is $10 as of 2026-10-14. APIs.io lists 4 pricing plans for ProspectAPIs, with each plan's price, limits and inclusions under Pricing on this page.

Does ProspectAPIs have an MCP server?

Yes. APIs.io lists 1 MCP server for ProspectAPIs: Local (stdio) MCP server published on npm as prospectapis-mcp (MIT), 14 tools, one per REST endpoint, using the same API key and prepaid balance as the REST API. npx prospectapis-mcp. Source https://g

Is the ProspectAPIs ready for AI agents?

ProspectAPIs has a Kin Score of 53.2 out of 100 (developing) and an Agent Readiness score of 53.6 (agent-native), scored by API Evangelist on 2026-11-06.

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