# Waterfall enrichment in 2026: what it costs, and one row a lead Compared on Nov 12, 2026. The page: https://specstream.ai/waterfall-enrichment Waterfall enrichment sends each contact to one data provider after another until one returns a result. FullEnrich charges 1 credit a work email and 10 a mobile, on plans from €29 a month. Clay's Data Credits start at $0.05. SpecStream is the live web data engine for teams and agents. Send your leads, or describe them, and each comes back as one row with the fields you name at 5¢, 15¢ or $1, plus 5¢ an email and 15¢ a phone. [Get an API key](https://specstream.ai/signup?src=alternatives-waterfall-enrichment&utm_source=alternatives-md&utm_campaign=waterfall-enrichment&returnTo=%2Fworkspace%2Fagents%3Ftab%3Dkeys) New accounts get $10 of credit, no card. ## SpecStream and the waterfall tools side by side | | SpecStream | FullEnrich | Clay | |---|---|---|---| | How a lead is filled | Each lead is read on the live web, and facts from many sites join into one record. Records of two kinds never merge | The contact goes to one provider after another, from 20+ sources, until a verified result is found | Columns you chain in a table, with multi-provider waterfalls on every plan | | What you send | Your leads from a CSV, Excel file, Google Sheet or Airtable base, up to 20,000 rows, with the fields to fill in. Or the leads you want, described in plain words | Contacts to enrich, or an email for a reverse email lookup | Rows in a Clay table, up to 200 a table on Free and 50,000 on Launch | | Fields you can fill | Any field you name, about the person and the company, each condition checked against the page that states it | Work email, mobile phone and personal email, and a full person and company profile from an email | Provider data for Data Credits, and custom data points from Claygent, Clay's AI agent with web research | | Price of an email | 5¢ on the row that carries it. A lead with up to 5 facts and an email costs 10¢ | 1 credit a work email and 3 a personal email. Pro runs €0.055 a credit at 1,000 credits a month | Data Credits start at $0.05 each | | Price of a phone | 15¢ on the row that carries it, on every plan | 10 credits a mobile phone, about €0.55 at €0.055 a credit | Phone number enrichment starts on Launch. The Free plan does not include it | | When you need more | Add credit from $10. A top-up of $1,000 or more adds 20% more credit: $1,000 buys $1,200 | Renew early or move to a higher volume plan with a lower price per credit | Buy more Data Credits at a 30% premium | | Plans | $10 of credit on sign-up, no card. Plans at $19, $99 and $499 a month turn their whole price into credit | Free trial with 50 credits. Pro from €29 a month for 500 credits to €3,500 for 100,000 | Free with 100 Data Credits a month. Launch from $185 a month with 2,500, Growth from $495 with 6,000 | | Kept up to date | A saved request reruns hourly to yearly, and each row is labeled changed, unchanged or no longer matching | Credits roll over 3 months on monthly plans and 12 months on yearly plans | Job change and signal tracking from Launch | | Where rows land | HubSpot, Salesforce, Pipedrive, Attio, Google Sheets, Airtable, Slack or Teams with no code, or signed webhooks, the REST API, the SDKs and the MCP server | A HubSpot integration, an enrichment API and no-code integrations | CRM auto-sync and HTTP API integrations from Growth | ## Why sales teams enrich on SpecStream ### One record from the whole web, not the next database in line A waterfall asks provider databases in turn, and each one holds only what it chose to collect. SpecStream reads each lead on the live web and joins the facts from many sites into one record: the person, the role and the company beside them. A field past email and phone, such as the tools a company runs or the roles it is hiring for, is one more column in the same request. Source URL and read time on every value. ### A price per lead you know before it runs A row costs 5¢ with up to 5 facts, 15¢ with up to 15 facts and one set of related records, and $1 for a deep row with no limit, plus 5¢ for an email and 15¢ for a phone. 1,000 leads with 5 facts and an email cost $100, and 1,000 with a phone too cost $250. SpecStream quotes the most a run can cost, and nothing runs until you approve it. ### A lead that fails is not billed Each condition you wrote is checked against the result's own words and numbers. A lead that fails one is not delivered and not billed, and duplicates, rows you already own and rows a page contradicts are not charged. `get_find_decisions` shows each condition's answer with the value, the source and the time it was read. ### The list stays up to date Save the request and it reruns hourly to yearly. A refresh charges half the rate for a changed or new row and 1¢ for an unchanged one, so rechecking 1,000 rows that did not change costs $10. New matches arrive in Slack, email, a sheet, a CRM or a signed webhook. ### Rows land in the CRM you use Rows go to HubSpot, Salesforce, Pipedrive, Attio, Google Sheets, Airtable, Slack or Teams with no code. Developers use the REST API, the Python and TypeScript SDKs, and the MCP server at `https://api.specstream.ai/mcp`. See [lead enrichment API](https://specstream.ai/lead-enrichment-api?utm_source=alternatives&utm_campaign=waterfall-enrichment) for prices next to Hunter and People Data Labs. ## Other waterfall enrichment tools ### FullEnrich A waterfall over 20+ sources for work emails at 1 credit, personal emails at 3 and mobiles at 10, with no credits used when nothing is found. Pro starts at €29 a month for 500 credits. SpecStream fills any field on the same row, priced from 5¢. ### Clay A table where you build multi-provider waterfalls column by column. Launch starts at $185 a month with 2,500 Data Credits, and top ups cost a 30% premium. SpecStream takes the leads and the fields in plain words, and quotes the most a run can cost. ### Datablist A waterfall email finder and phone finder on credits, with 500 free credits a year. SpecStream returns each lead as one row with the company facts beside the contact, at 5¢, 15¢ or $1. ## How to run your waterfall on SpecStream Import the leads you enrich today, up to 20,000 rows, and name the fields to fill in. Or write the leads you want in plain words. Sign up and you get $10 of credit, no card. At 5¢ a row, that is up to 200 rows. Or send the request from code. This call spends nothing: the `402` reply shows how SpecStream read the request, the columns and the most it can cost. ``` curl -i https://api.specstream.ai/v1/agent/lists \ -H "Content-Type: application/json" \ -d '{"request": "Heads of sales at B2B SaaS companies in the United States with 50 to 500 employees, with the company, a work email and a phone for each", "count": 25}' ``` On an account, your agent uses the MCP server at `https://api.specstream.ai/mcp`: `import_csv` for your list, then `quote_capacity_work` with its `source_import_id`, and `authorize_capacity_work` once you approve the maximum. Your team uses the workspace, from the same balance. ## Frequently asked questions ### What is waterfall enrichment? A way to fill a contact's email or phone by asking one data provider after another until one returns a result. FullEnrich runs it across 20+ sources, and Clay lets you chain providers in a table. SpecStream reads each lead on the live web and returns one row with every field you name, at 5¢, 15¢ or $1. ### How much does waterfall enrichment cost? FullEnrich charges 1 credit a work email, 3 a personal email and 10 a mobile, at €0.055 a credit on Pro at 1,000 credits a month. Clay's Data Credits start at $0.05 each. On SpecStream a lead costs 5¢ a row plus 5¢ for an email and 15¢ for a phone. ### Is waterfall enrichment better than a single provider? It finds more contacts than one database, because it asks several. SpecStream goes past databases: it reads each lead on the live web and joins facts from many sites into one record, with the source URL and read time on every value. ### Can I enrich a list I already have? Yes. Import a CSV, Excel file, Google Sheet or Airtable base of up to 20,000 rows and name the fields to fill in. A lead that fails one of your conditions is not delivered and not billed. ### Does SpecStream verify emails? An email a page printed comes with that page. An email no page printed is built from the company's published pattern, labeled likely and billed as an email, at 5¢. ### Does SpecStream have an API? Yes: a REST API, Python and TypeScript SDKs, an MCP server at `https://api.specstream.ai/mcp` and signed webhooks. New accounts get $10 of credit, no card. ## Sources SpecStream wrote this page. Each FullEnrich, Clay and Datablist figure comes from that company's own page, read on the day shown. - [SpecStream pricing](https://specstream.ai/pricing), read Nov 12, 2026 - [SpecStream for agents](https://specstream.ai/agents.md), read Nov 12, 2026 - [FullEnrich pricing](https://fullenrich.com/pricing), read Nov 12, 2026 - [FullEnrich: waterfall enrichment](https://fullenrich.com/content/waterfall-enrichment), read Nov 12, 2026 - [Clay pricing](https://www.clay.com/pricing), read Nov 12, 2026 - [Datablist pricing](https://www.datablist.com/pricing), read Nov 12, 2026 - [Datablist: waterfall enrichment](https://www.datablist.com/learn/marketing/waterfall-enrichment), read Nov 12, 2026