{"uid":"cap_7BAkz57Sj7nYwJLETMPbJ","slug":"411data-lead-enrichment-slot-person-person-intermediate-pass-d5dc8522","name":"411data Lead Enrichment — Slot Person (Person Intermediate Pass)","description":"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.","url":"https://411data.io/api/v1/enrich/lead-session/slot-person","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"lead":{"type":"object","default":{"zip":"16101","city":"New Castle","state":"PA","street":"30 N Beaver St","company":"Haney Furniture Co","number1":"7246547732","contact_id":81555753},"description":"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":{"type":"array","items":{"type":"string"},"description":"Follow-up instructions to focus this pass."},"target_name":{"type":"string","maxLength":120,"description":"Display name override; resolved from backfill.contacts when omitted."},"progress_key":{"type":"string","maxLength":96,"description":"Opaque key for streaming progress reads; cleared when the op finishes."},"prior_backfill":{"type":"object","description":"Current lead_enrichment_v1 graph; loaded from the chat session when omitted."},"research_model":{"type":"string","maxLength":64,"description":"Override the research model for this pass."},"chat_session_id":{"type":"string","maxLength":64,"minLength":8,"description":"chat_session_id of the completed session whose graph is being patched."},"refresh_summary":{"type":"boolean","default":false},"target_contact_id":{"type":"string","maxLength":64,"minLength":2,"description":"id of the backfill.contacts[] row to research."},"include_person_hunt":{"type":"boolean","default":true,"description":"Queue a person hunt for this contact after the intermediate search when one has not already run."}}},"responseSchema":{"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-person","spent_usd":0.09,"slot_label":"Person Intermediate","slot_result":{"error":null,"matched":true,"latency_ms":11080},"target_name":"James W Cole Sr","wall_time_ms":18420,"person_hunt_ran":true,"person_hunt_usd":0.05,"summary_markdown":"# Haney Furniture Co\nMain line [(724) 654-7732](https://example.com/contact) — owner **James W Cole Sr**","target_contact_id":"c_4471"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.35","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.35/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_FNcvDOsyNQFPMe6BGpNzw","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.35","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Enriches a CRM lead by researching and slotting a specific contact person into the lead graph, returning matched phone numbers, contact name, title, and a summary markdown — billed only on match.","exampleAgentPrompt":"I have a CRM lead for Haney Furniture Co at 30 N Beaver St, New Castle PA 16101 — phone (724) 654-7732, contact_id 81555753, session abc12345. Run a person intermediate pass to find and slot the actual owner or decision-maker into my lead graph.","exampleUseCases":[{"title":"Identify owner of small business lead","prompt":"I've got a CRM lead for a furniture store in New Castle, PA — Haney Furniture Co, contact_id 81555753, session id sess_001abc. Can you run the person slot pass to find out who the actual owner is and get their verified phone number?"},{"title":"Patch lead graph with decision-maker","prompt":"My sales session chat_session_id is biz_sess_99xz and I need to patch the lead graph for contact c_4471 at a hardware company in Pittsburgh — run the person intermediate enrichment and give me the matched name, title, and phone."},{"title":"Person hunt for a cold outreach list entry","prompt":"I'm working a B2B outreach list and need to find the real contact person at a small plumbing company in Allentown PA — company is listed in my CRM with contact_id 72301 and session id sess_774kq. Use 411data to slot the person and return their phone and job title."}],"resultDescription":"Returns a JSON object indicating whether a match was found (matched: true/false), billed status, the enriched contact name and title, verified phone numbers with confidence scores, a markdown summary of the business and contact, the session persistence details (leb_id, applied, contact_id), coverage metrics, latency, and whether a person hunt sub-task was executed and its cost breakdown.","failureModes":["No match found (matched: false) — not billed but returns empty backfill","Invalid or mismatched contact_id causing session graph corruption","chat_session_id not found or expired — session context unavailable","Person hunt sub-task fails (slot_result.error non-null) — partial result returned","Rate limit or payment failure — 402 response before execution","Stale prior_backfill graph leads to idempotent_replay returning cached result"],"whenToPreferThis":"Use this endpoint when you have an active 411data lead enrichment session and need to research and slot a specific contact person (owner, manager, decision-maker) into the lead graph for a CRM lead. It is purpose-built for the person intermediate pass within a multi-step agentic enrichment workflow, optionally triggering a person hunt sub-task. Prefer it over the top-level session endpoint when you already have a session open and only need to patch a single contact slot rather than run a full company + people pipeline.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:31:19.875Z","isFirstParty":false}