# Swarmhit, free, trial, POST /leads/enrich: Phone finder API

> Queues a work email and/or mobile phone lookup for each of the given leads (`leadIds`, up to 5000) or every lead of a list (`listId`) and returns at once.

Swarmhit's phone finder API on its Free trial plan. It costs $0.00 per 1,000 phones. It returns 7 of the 11 key fields we check: Number, Name, Job, Links, Place, Company, Email.
The cheapest of the 288 plans we rank by price is [EnvoAPI, $499 monthly, Scale, GET /v1/profiles/contact/by-url](https://datacircle.dev/find-phone-apis/envoapi/499-monthly-scale-get-v1-profiles-contact-by-url/llms.txt), at $1.996 per 1,000.

- This page: https://datacircle.dev/find-phone-apis/swarmhit/free-trial-post-leads-enrich
- [Best phone finder API in 2026](https://datacircle.dev/best-phone-finder-api.txt)
- Get it: https://www.swarmhit.com/pricing
- Its API docs: https://developer.swarmhit.com/api-reference/leads/enrichLeads
- Sold by: Swarmhit (https://www.swarmhit.com)
- Checked: 2026-10-24

## In the answer

- Completeness: 64%
- Number: ✓
- Name: ✓
- Job: ✓
- Links: ✓
- Place: ✓
- Company: ✓
- Email: ✓

## Price

- $ per 1,000: $0.00
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Per: result
- Also pays for: Send a connection request · Message a connection · Send an InMail · Visit a profile · Follow a lead · Look up a profile · Like the lead's last post · Comment on the lead's last post · Start a LinkedIn search import · from the same budget: Search people in the database · Search companies in the database · Enrich a person · Enrich a company · Find a person's email · Find a person's phone · Find a lead's email or phone

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Queues a work email and/or mobile phone lookup for each of the given leads (`leadIds`, up to 5000) or every lead of a list (`listId`) and returns at once.

## Data

- Keep data: no limit
- Use data: You will not use Swarmhit to: Send unlawful, harassing, deceptive, or discriminatory messages. Impersonate another person or business or misrepresent your affiliation. Scrape, resell, or sublicense Swarmhit’s data, software, or AI outputs. Bypass the sending limits, safeguards, rate limits, or other technical controls we apply. Send messages to prospects in jurisdictions where you lack a lawful basis (for example, B2C contacts under GDPR or CASL without consent). [...] You own your customer content. You grant Swarmhit a worldwide, non-exclusive licence to host, transmit, and process that content strictly to provide the service. [...] Purchased, scraped, enriched, licensed, or publicly available data may be used only where Customer has assessed the source, rights, notice obligations, accuracy, and lawful basis for the intended use. [...] Customer must not: [...] bypass throttling, rate limits, safety controls, account limits, technical restrictions, or verification measures, use bots, scripts, or tools outside supported functionality to interfere with the Services, create excessive Accounts or use multiple Accounts to evade enforcement, probe, scan, or test Swarmhit systems without written authorization, use the Services in a way that degrades reliability for others.

## Plan

- Pay: $0

## Rate limit

- Batch: 5,000

## Speed

- Answer: by polling or webhook

## The call

- You send: one of leadIds or listId, phone true. Optional: email
- Method: POST
- Path: /leads/enrich

## About the plan

- Plan: Free trial
- Who can get it: anyone at least 18 and authorized to bind their organization, with a LinkedIn account to connect as a sender

## The 32 fields the plan's answer can hold

ID, first name, last name, headline, job title, company name, email, phone, email status, email opt-out, location, profile picture, notes, profile URL, username, open profile, tags, auto tags, list IDs, campaign IDs, custom variables, source, last activity date, enriched date, email lookup status, email lookup date, email lookup failure reason, phone lookup status, phone lookup date, phone lookup failure reason, created date, updated date

## Swarmhit's plans (16)

- [Swarmhit, free, trial, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/free-trial-post-leads-enrich/llms.txt): $0.00 per 1,000, 64% complete
- [Swarmhit, $16.90 monthly, LinkedIn senders 1-50, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/16-90-monthly-linkedin-senders-1-50-post-leads-enrich/llms.txt): 64% complete
- [Swarmhit, $59 monthly, Cold email 50,000 sends, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/59-monthly-cold-email-50000-sends-post-leads-enrich/llms.txt): 64% complete
- [Swarmhit, $94 monthly, Cold email 125,000 sends, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/94-monthly-cold-email-125000-sends-post-leads-enrich/llms.txt): 64% complete
- [Swarmhit, $139 monthly, Cold email 250,000 sends, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/139-monthly-cold-email-250000-sends-post-leads-enrich/llms.txt): 64% complete
- [Swarmhit, $199 monthly, Cold email 500,000 sends, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/199-monthly-cold-email-500000-sends-post-leads-enrich/llms.txt): 64% complete
- [Swarmhit, $319 monthly, Cold email 1 million sends, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/319-monthly-cold-email-1-million-sends-post-leads-enrich/llms.txt): 64% complete
- [Swarmhit, $539 monthly, Cold email 2 million sends, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/539-monthly-cold-email-2-million-sends-post-leads-enrich/llms.txt): 64% complete
- [Swarmhit, $859.90 monthly, LinkedIn senders 51-150, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/859-90-monthly-linkedin-senders-51-150-post-leads-enrich/llms.txt): 64% complete
- [Swarmhit, $1,099 monthly, Cold email 5 million sends, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/1099-monthly-cold-email-5-million-sends-post-leads-enrich/llms.txt): 64% complete
- [Swarmhit, $2,347.90 monthly, LinkedIn senders 151-250, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/2347-90-monthly-linkedin-senders-151-250-post-leads-enrich/llms.txt): 64% complete
- [Swarmhit, $3,635.90 monthly, LinkedIn senders 251-500, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/3635-90-monthly-linkedin-senders-251-500-post-leads-enrich/llms.txt): 64% complete
- [Swarmhit, $6,358.90 monthly, LinkedIn senders 501-1,500, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/6358-90-monthly-linkedin-senders-501-1500-post-leads-enrich/llms.txt): 64% complete
- [Swarmhit, $15,256.90 monthly, LinkedIn senders 1,501-2,500, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/15256-90-monthly-linkedin-senders-1501-2500-post-leads-enrich/llms.txt): 64% complete
- [Swarmhit, contact us, Cold email 5M+ sends, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/contact-us-cold-email-5m-sends-post-leads-enrich/llms.txt): 64% complete
- [Swarmhit, contact us, LinkedIn senders 2,500+, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/contact-us-linkedin-senders-2500-post-leads-enrich/llms.txt): 64% complete

## Swarmhit's calls (3)

- `POST /leads/{id}/enrich`: [Swarmhit, free, trial, POST /leads/{id}/enrich](https://datacircle.dev/find-phone-apis/swarmhit/free-trial-post-leads-id-enrich/llms.txt)
- `POST /database/people/find-phone`: [Swarmhit, free, trial, POST /database/people/find-phone](https://datacircle.dev/find-phone-apis/swarmhit/free-trial-post-database-people-find-phone/llms.txt)
- `POST /leads/enrich`: [Swarmhit, free, trial, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/free-trial-post-leads-enrich/llms.txt)

## Swarmhit's APIs (8)

- [Swarmhit: LinkedIn profile API pricing, 8 plans](https://datacircle.dev/linkedin-profile-apis/swarmhit/free/llms.txt)
- [Swarmhit: LinkedIn people search API pricing, 8 plans](https://datacircle.dev/linkedin-people-search-apis/swarmhit/free/llms.txt)
- [Swarmhit: cached company discovery API pricing, 16 plans](https://datacircle.dev/cached-company-discovery-apis/swarmhit/free/llms.txt)
- [Swarmhit: cached company enrichment API pricing, 16 plans](https://datacircle.dev/cached-company-enrichment-apis/swarmhit/free/llms.txt)
- [Swarmhit: cached people search API pricing, 16 plans](https://datacircle.dev/cached-people-search-apis/swarmhit/free/llms.txt)
- [Swarmhit: cached people enrichment API pricing, 16 plans](https://datacircle.dev/cached-person-enrichment-apis/swarmhit/free/llms.txt)
- [Swarmhit: email finder API pricing, 16 plans, POST /leads/{id}/enrich](https://datacircle.dev/find-email-apis/swarmhit/free-trial-post-leads-id-enrich/llms.txt)
- [Swarmhit: email finder API pricing, 16 plans, POST /database/people/find-email](https://datacircle.dev/find-email-apis/swarmhit/free-trial-post-database-people-find-email/llms.txt)
- [Swarmhit: email finder API pricing, 16 plans, POST /leads/enrich](https://datacircle.dev/find-email-apis/swarmhit/free-trial-post-leads-enrich/llms.txt)
- [Swarmhit: phone finder API pricing, 16 plans, POST /leads/enrich](https://datacircle.dev/find-phone-apis/swarmhit/free-trial-post-leads-enrich/llms.txt)

## Swarmhit: phone finder API alternatives

- [Fiber AI, free, Cardless API trial, POST /v1/contact-details/single](https://datacircle.dev/find-phone-apis/fiber-ai/free-cardless-api-trial-post-v1-contact-details-single/llms.txt): $0.00 per 1,000, 36% complete
- [treg, free](https://datacircle.dev/find-phone-apis/treg/free/llms.txt): $0.00 per 1,000, 36% complete
- [RouterGrowth, free](https://datacircle.dev/find-phone-apis/routergrowth/free/llms.txt): $0.00 per 1,000, 9% complete
- [Enrich Layer, free](https://datacircle.dev/find-phone-apis/enrich-layer/free/llms.txt): $0.00 per 1,000, 9% complete
- [Ploid, free](https://datacircle.dev/find-phone-apis/ploid/free/llms.txt): $0.00 per 1,000, 18% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-24.

- https://app.swarmhit.com/openapi.yaml
- https://developer.swarmhit.com/leads-and-lists
- https://www.swarmhit.com/acceptable-use
- https://www.swarmhit.com/linkedin-api/profile-visit
- https://www.swarmhit.com/pricing
- https://www.swarmhit.com/terms