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Diffbot pricing and alternatives: people enrichment API, GET /kg/v3/enhance

Diffbot's sitellms.txtBest people enrichment API in 2026

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69% complete: 9 of the 13 key fields we checkSee the 13 fields
$0.00per 1,000 peopleWe rank 115 plans by price. GetLeads's $249 monthly plan costs the least per 1,000 people: as little as $0.042. GetLeads's $249 monthly plan covers up to 6,000,000 people a month at no extra cost.Context.dev, Reverse Contact and Autobound are the best people enrichment API providers in our benchmark.
Plan: Free one of Diffbot's 5 plans
Call: GET /kg/v3/enhance one of Diffbot's 3 calls for this API
API: People enrichment API one of Diffbot's 6 APIs

About this item

  • Stored. You get profiles from Diffbot's database. Diffbot doesn't say how old the data is.
  • 9 of the 13 key fields we check. Experience, Education, Skills, About, Location, Photo, Followers, Certifications, Languages.
  • Nothing to pay. You get 10,000 credits a month, enough for 400 results. Unused credits expire at the monthly refresh, no rollover.
  • One call. You send type (Person) to GET /kg/v3/enhance. The call returns the person's profile.
  • Who can get it: anyone 13 or over. Keep data: no limit. Use data: with conditions.

Diffbot: people enrichment API alternatives

The table starts with Diffbot's cheapest paid plan. Next come plans from other providers with the price per 1,000 people closest to Diffbot's. Each plan in the table gives stored data.

Diffbot, $899 monthly, Plus, GET /kg/v3/enhanceParsers VC, $19 monthly, Starter, GET /persons/{id}, Get person, fullBytemine, $500 monthly, Growth, POST /bulk-contact-enrichReverse Contact, $900 packProspeo, $49 monthly, Starter, POST /bulk-enrich-person, Bulk Enrich Person
$ per 1,000 people$22.475$19.00$20.00$22.50$24.50
Completeness69%15%8%100%31%
Billingmonthlymonthlymonthlypay firstmonthly
Pay$899$19$500$900$49
Enough for40,000 results a month1,000 calls a month25,000 results a month40,000 calls2,000 results a month
Freshnessstoredstoredstoredstoredstored
Who can get itanyone 13 or overanyonebusiness users only: 18 or over, acting on behalf of a companyprofessionals acting in their professional capacity, not as consumersanyone

Every people enrichment API provider we score, ranked

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-17.

  1. kg.diffbot.com/kg/ontology
  2. diffbot.com
  3. diffbot.com/company/privacy
  4. diffbot.com/company/terms
  5. diffbot.com/docs/credits
  6. diffbot.com/docs/dql/concepts/origin
  7. diffbot.com/docs/dql/faq/data-sourcing
  8. diffbot.com/docs/enhance/
  9. diffbot.com/docs/enhance/get
  10. diffbot.com/docs/ontology/person
  11. diffbot.com/docs/rate-limits
  12. diffbot.com/pricing
  13. diffbot.com/products/knowledge-graph
  14. diffbot.com/technology

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Experience
  • Education
  • Skills
  • Headline, not in the answer
  • About
  • Location
  • Photo
  • Followers
  • Connections, not in the answer
  • Certifications
  • Languages
  • Recommendations, not in the answer
  • Open to work, not in the answer
Price
$ per 1,000 people$0.00
Perresult
Billingfree
Aggregators
AggregatorsDatabar: your key 0 credits a call on the Build or Scale plan, paid $69.30 per 1,000 results, this call or another Diffbot call · treg: your key free, paid $29.90
Charges
Also pays forfrom the same budget: Extract API · Natural Language API · Web Search API · Search (DQL) API · Enhance API for an organization
Not found
$ per 1,000$0.00
In their words
Their pitchEnrich a person or organization record with partial data input.
Data
Freshnessstored
Keep datano limit
Use dataUSE RESTRICTIONS [...] You agree that you will not: sublicense, resell, rent, lease, transfer, assign, time share, or otherwise commercially exploit or make the Service available to any third party (However, you may display and use the facts generated by the Service as part of a commercial application.), use the Service for any unlawful purpose or for the promotion of illegal activities, use the Service to attempt to, or harass, abuse or harm another person or group, use another user’s account without permission, interfere or attempt to interfere with the proper functioning of the Site or Service, modify, adapt or hack the Service to, or otherwise attempt to gain unauthorized access to the Service or its related systems or networks, use the API or the Data in any manner that violates the rights of any person, including but not limited to intellectual property rights, rights of privacy or rights of publicity, reverse engineer, decompile or disassemble any portion of the Service, bypass any robot exclusion headers or other measures we take to restrict access to the Site or Service or use any software, technology, or device to scrape, spider, or crawl the Site or Service or harvest or manipulate data, or publish or link to malicious content intended to damage or disrupt another user’s browser, computer, or mobile device.
Plan
Pay$0
You get10,000 credits a month
Enough for400 results a month
Expiresat the monthly refresh, no rollover
Rate limit
Per second0.083
Batch1
Speed
Answerin the call
The call
You sendtype (Person). Optional: id, name, url, phone, email, employer, title, school, location, description, ip, customId, size, threshold, refresh, refreshOrigins, search, nonCanonicalFacts, jsonmode, filter, filterExclude
MethodGET
Path/kg/v3/enhance
About the plan
PlanFree
Who can get itanyone 13 or over
The 76 fields the plan's answer can hold

entity ID, Diffbot URI, entity type, entity types, name, name parts, all names, summary, description, all descriptions, descriptors, image, images, homepage URL, all URIs, URI details, LinkedIn URL, Twitter URL, Facebook URL, Instagram URL, YouTube URL, GitHub URL, Google+ URL, AngelList URL, Crunchbase URL, blog URL, Wikipedia URL, email addresses, phone numbers, location, locations, employment history, education, skills, languages, interests, industries of employers, colleagues, articles written, awards, follower count, net worth, NPI numbers, SEP professional license numbers (Mexico), age, gender, birth date, birth place, death date, death place, nationalities, height, weight, eye color, religion, political affiliation, parents, children, siblings, unions, importance, incoming edges, crawl timestamp, origins, number of origins, origin details, origin hashes, non-canonical facts, Wikipedia pageviews last month, Wikipedia pageviews month-over-month growth, Wikipedia pageviews last quarter, Wikipedia pageviews quarter-over-quarter growth, Wikipedia pageviews last year, Wikipedia pageviews year-over-year growth, match score, KG version

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