API & Webhooks
The B2B enrichment API built for developers
Documented REST API, webhooks and SDKs: enrich forms, your product or your data warehouse in real time.
50 free credits · No credit card
$ curl -X POST api.socontact.com/v1/enrich \
-d '{"linkedin_url":"in/camille-moreau"}'{
"email": "camille.moreau@acme.fr",
"email_status": "verified",
"mobile": "+33612••••18",
"company": { "name": "Acme SAS", "siren": "812345678" },
"gdpr": { "source": "registry", "eu_hosted": true }
}At a glance
REST + JSON
Key-based auth, responses in < 300 ms.
Webhooks
Async results for high volumes.
EU-hosted
No data leaves the European Union.
The platform
From target to meeting, in a single platform
VP Sales · SaaS · France · 50-200 employees
- Target
- Contacts
- Contact details
- CMCamille MoreauVP Sales · Acme SASBusiness emailcamille.moreau@acme.frDirect mobile+33 6 12 •• •• 18
- TLThomas LaurentHead of Sales · NimbusBusiness emailt.laurent@nimbus.ioDirect mobile+33 6 47 •• •• 02
- SBSofia BianchiCRO · Lumen DataBusiness emailsofia@lumendata.euDirect mobile+33 7 81 •• •• 55
Your next customers. Within reach.
50 free credits · No credit card
Practical guide
B2B enrichment API
Understand the need
An enrichment API connects an application to a data service. Before integration, verify actual documentation, required parameters, possible responses and personal-data processing arrangements.
Practical example
A developer wants to complete a record from a name and domain. They prepare a minimal request, test a known profile and handle no-match responses, missing fields and temporary errors.
Method and checkpoints
Define a data contract and retry strategy. Private keys belong on the server in your own application, not in browser code. Limit submitted data to what the purpose requires. Prepare a limited test with three situations: a known profile, an incomplete profile and an ambiguous case. Record starting information, expected outcomes and fields actually obtained. This prevents judging the service from one unusually favorable record. The examples here describe a working method, not performance evidence. When information is missing, preserve that state instead of replacing it with an assumption. Assign responsibility for checking results before commercial use. Use the same criteria across all cases so differences reflect the data rather than changes in the test procedure.
Limits and decision criteria
Verify quotas, billing and guarantees in official documentation before sizing a workload. Code displayed on this site illustrates a scenario; it does not replace a validated API contract or a real integration test. After testing, compare outcomes with your team’s current process. The main criterion should match the need described here: list relevance, address accuracy, match quality or transfer reliability. Choose an observable indicator using consistent scope and timing. Document exceptions instead of removing them from the assessment. Before expanding, confirm capabilities and actual terms in the application. Illustrations do not establish contractual commitments, legal guarantees or service levels. Keep personal information only when required for a defined purpose, and decide how corrections or objections will reach every system where the record is used.
Prepare the next step
Then prepare the next action: review a profile, complete a field, check an address or test an integration. Related sections help separate these steps. Careful preparation makes outcomes easier to interpret and avoids confusing the quality of an individual data point with the success of an entire campaign. For “B2B enrichment API”, also ask which observations would confirm or challenge your initial hypothesis. This connects preparation with a verifiable decision and prevents generalizing results beyond their context. Review findings with the people involved before changing your process, and distinguish measured improvements from assumptions that still require evidence. Keep the evaluation transparent, specific and reproducible for every stakeholder involved. A documented review makes comparisons easier and preserves assumptions when requirements change. Use relevant observations rather than generic promises to support the decision.
Frequently asked questions
Understand the need — What should be understood?
An enrichment API connects an application to a data service. Before integration, verify actual documentation, required parameters, possible responses and personal-data processing arrangements. A developer wants to complete a record from a name and domain. They prepare a minimal request, test a known profile and handle no-match responses, missing fields and temporary errors.
Practical example — What should be understood?
A developer wants to complete a record from a name and domain. They prepare a minimal request, test a known profile and handle no-match responses, missing fields and temporary errors.
Method and checkpoints — What should be understood?
Define a data contract and retry strategy. Private keys belong on the server in your own application, not in browser code. Limit submitted data to what the purpose requires. Prepare a limited test with three situations: a known profile, an incomplete profile and an ambiguous case.
Limits and decision criteria — What should be understood?
Verify quotas, billing and guarantees in official documentation before sizing a workload. Code displayed on this site illustrates a scenario; it does not replace a validated API contract or a real integration test. After testing, compare outcomes with your team’s current process.
Prepare the next step — What should be understood?
Then prepare the next action: review a profile, complete a field, check an address or test an integration. Related sections help separate these steps. Careful preparation makes outcomes easier to interpret and avoids confusing the quality of an individual data point with the success of an entire campaign.
Understand the need — What should be checked?
An enrichment API connects an application to a data service. Before integration, verify actual documentation, required parameters, possible responses and personal-data processing arrangements. A developer wants to complete a record from a name and domain. They prepare a minimal request, test a known profile and handle no-match responses, missing fields and temporary errors.
Practical example — What should be checked?
A developer wants to complete a record from a name and domain. They prepare a minimal request, test a known profile and handle no-match responses, missing fields and temporary errors.