Real-time data delivered instantly via API

Send an HTTP request, get structured B2B entities back in seconds. Best for interactive experiences, live enrichment, and on-demand identity resolution.

  • On-demand accuracy — fetch fresh data when you need maximum confidence.
  • Simple integration — REST endpoints that plug into any stack.
  • Scales with your product — from prototypes to production workloads.
  • Transparent freshness — every response includes last_updated metadata.

Fetch any B2B entity from a single identifier

Use a URL, email, domain, or company name to retrieve a clean, structured object—ready for CRM, enrichment, and product workflows.

1curl -X POST "https://api.reversecontact.com/v1/resolve" \
2  -H "Authorization: Bearer $RC_API_KEY" \
3  -H "Content-Type: application/json" \
4  -d '{
5    "input": {
6      "type": "company_url",
7      "value": "https://www.example.com"
8    },
9    "include": ["company", "employees_preview", "jobs_preview"]
10  }'
1import requests
2
3url = "https://api.reversecontact.com/v1/resolve"
4headers = {"Authorization": f"Bearer {RC_API_KEY}", "Content-Type": "application/json"}
5payload = {
6  "input": {"type": "company_url", "value": "https://www.example.com"},
7  "include": ["company", "employees_preview", "jobs_preview"]
8}
9
10r = requests.post(url, json=payload, headers=headers, timeout=30)
11print(r.json())
1const res = await fetch("https://api.reversecontact.com/v1/resolve", {
2  method: "POST",
3  headers: {
4    "Authorization": `Bearer ${process.env.RC_API_KEY}`,
5    "Content-Type": "application/json",
6  },
7  body: JSON.stringify({
8    input: { type: "company_url", value: "https://www.example.com" },
9    include: ["company", "employees_preview", "jobs_preview"],
10  }),
11});
12
13console.log(await res.json());
1{
2  "request_id": "req_9f21c1",
3  "resolved": {
4    "type": "company",
5    "id": "cmp_2c91a",
6    "confidence": 0.93
7  },
8  "company": {
9    "name": "Example Inc.",
10    "website": "https://www.example.com",
11    "industry": "Software",
12    "headcount": 210,
13    "hq_location": "San Francisco, CA, US",
14    "social": {
15      "linkedin": "https://www.linkedin.com/company/example"
16    },
17    "last_updated": "2026-02-15T10:41:12Z"
18  },
19  "metadata": {
20    "source": "public_web",
21    "last_updated": "2026-02-15T10:41:12Z"
22  }
23}

Where real-time API delivery wins

When you need speed, interactivity, and always-fresh answers.

Live enrichment in-product

Power user-facing experiences that need instant profile/company context during onboarding or workflows.

Identity resolution & matching

Resolve names, emails, domains, and URLs into clean entities—with confidence scoring and null-safe results.

CRM enrichment at the moment of truth

Enrich inbound leads the moment they convert, so routing and personalization run on reliable data.

Search & discovery features

Let customers search companies/people by filters and fetch structured objects on-demand.

Quality-first pipelines

Use last_updated + confidence metadata to control fallback logic and avoid false positives.

Rapid prototyping

Go from zero to working integration in minutes with straightforward REST calls.

How does it works ?

A synchronous flow built for real-time usage.

01
Authenticate

Create an API key and set usage limits for each environment (dev, staging, production).

02
Request data

Create an API key and set usage limits for each environment (dev, staging, production).

03
Get a structured response

Create an API key and set usage limits for each environment (dev, staging, production).

Trusted by data-driven teams

“Our data team built an internal ops product with Reverse Contact. It improved identity resolution across systems and provided a reliable people & company layer.”

Ethan Carter
Data Team, Gitpod

“We use Reverse Contact as a trusted data provider for our product inside our RevOps workflows. It helps our customers unify CRM records and enrich missing context...”

David Bromberg
CEO, Lantern

“Reverse Contact provided a reliable identity resolution layer for our product. The API is straightforward, outputs are consistent, and match quality is strong.”

Lucas Perret
Head of Product, lemlist

Compliance-by-design. Built to be defensible.

Reverse Contact is designed to support GDPR/CCPA-aligned data practices. We maintain clear sourcing principles, respect data subject rights, and prioritize accuracy over guesswork.

GDPR
CCPA

Frequently Asked Questions

Can't find the answers to your questions?
Reach out to us by clicking here.

B2B Data made for Products & Workflows

Stop cleaning and reconciling records. Start shipping products powered by a reliable identity layer.

98.2
%
API uptime
300
M
Requests / month
<4
s
Response time (P95)