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411data Lead Enrichment — Slot Rerun
x402
411data Lead Enrichment — Slot Rerun is a paid API for AI agents from 411data.io, paid per call via x402, $0.35/call, status unknown (last checked 2026-09-15).
Re-runs a single enrichment slot (e.g. Hunt Forge) against an existing lead session graph, merging new contact data into the CRM lead record
Price / call$0.35
Success—
StatusUnknown
How this service works
B2B lead enrichment API: find business emails, phone numbers, and contact data for lead generation. Bill-on-match pricing, free trial, agent-native REST + enrich agent.
Output
Returns a JSON object with: matched boolean, billed flag, enrichment backfill containing phones (with confidence scores) and contacts (name, title), coverage metrics, slot latency and wall time, summary markdown narrative, and persist details including the leb_id and contact_id confirming the graph was saved to the session.
Example use cases
Retry failed phone lookup for sales lead
“The Hunt Forge slot didn't match on the first pass for Acme Plumbing Supply (contact_id 92341, 145 Main St, Columbus OH 43215). Can you re-run just that slot using chat session abc123def456 to see if we can get a direct line this time?”
Backfill owner contact after partial enrichment
“We got an address for Riverside Auto Parts (contact_id 77821, 88 Oak Ave, Tulsa OK 74101) but no contacts. Re-run the lead enrichment slot on my existing session and refresh the summary so the CRM record shows the owner's name and phone.”
Patch CRM lead with second-pass data
“My lead session for Greenfield Bakery (contact_id 65004, 212 Elm St, Portland OR 97201) came back with a low coverage score. Run the slot again with a prompt focused on finding the manager's mobile number and merge it into the existing enrichment graph.”
Technical details
Endpoint
POSThttps://411data.io/api/v1/enrich/lead-session/slot-rerunWhen to prefer
Use this endpoint when you already have an open lead enrichment session and need to retry or patch a specific data-hunting slot (e.g. Hunt Forge) without restarting the full session. Prefer this over the full lead-session endpoint when only one slot needs a second pass, when you have a progress_key for streaming, or when you want to surgically merge new phone/contact data into an existing enrichment graph without losing prior results. Not appropriate for starting a new enrichment session from scratch.
Side effects
- Slot returns matched:false with no new data found — charge may still apply
- Invalid or mismatched contact_id causes the graph merge to fail or overwrite wrong record
- Expired or missing chat_session_id results in inability to load prior enrichment graph
- model_id slug not recognized returns an error or falls back to default slot
- Timeout on external data sources causes high latency or partial results
- Bill-on-match: if matched:false, no charge but enrichment data will be empty
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| lead | object | The same bound CRM lead passed to enrich/lead-session. Keep contact_id stable; never swap in a legal entity name discovered mid-session. |
| prompts | array | Follow-up instructions to focus this pass. |
| model_id | string | Public hunt slot id (e.g. data411-hunt-forge) or provider slug. Bypasses the slot cache for this one slot. |
| progress_key | string | Opaque key for streaming progress reads; cleared when the op finishes. |
| prior_backfill | object | Current lead_enrichment_v1 graph; loaded from the chat session when omitted. |
| research_model | string | Override the research model for this pass. |
| chat_session_id | string | chat_session_id of the completed session whose graph is being patched. |
| refresh_summary | boolean | Rewrite summary_markdown after the slot merge. |
Output
Schema · Response
{
"type": "json",
"example": {
"billed": true,
"status": "complete",
"matched": true,
"persist": {
"leb_id": 42,
"applied": true,
"contact_id": 81555753,
"idempotent_replay": false
},
"backfill": {
"phones": [
{
"label": "main",
"score": 91,
"number": "(724) 654-7732"
}
],
"contacts": [
{
"name": "James W Cole Sr",
"title": "Owner"
}
],
"schema_version": "1.0"
},
"coverage": {
"must_phones_hit": 1,
"must_phones_total": 1
},
"endpoint": "enrich/lead-session/slot-rerun",
"spent_usd": 0.09,
"slot_label": "Hunt Forge",
"slot_result": {
"error": null,
"matched": true,
"latency_ms": 14210
},
"wall_time_ms": 18420,
"slot_model_id": "data411-hunt-forge",
"summary_markdown": "# Haney Furniture Co\nMain line [(724) 654-7732](https://example.com/contact) — owner **James W Cole Sr**"
}
}Tags
x402
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