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Lusha
Hunter.io
Instantly.ai
Clearbit
Snov.io
lemlist
JsonAPI
GraphQL
graphql.js
Apollo
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Productivity Power Tools
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Prisma GraphQL API
Apollo.io
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We use Apollo with our Sales and BDR team to manage our cold outreach. The strength of the platform is the sequences and cadences that you can set up. Compared to other tools we have used in the past like Salesloft the UI is much easier to navigate. The main limitation is that the quality of data isn't as vast and often I can find prospects on Linkedin but not in Apollo.
Apollo.io might be a bit more popular than JsonAPI. We know about 69 links to it since March 2021 and only 52 links to JsonAPI. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Personal email domains destroy this. Clearbit's Enrichment API returns a null company when it hits gmail.com. Apollo routes personal domains straight to a consumer bucket and skips B2B fields entirely. Even PDL's /person/enrich endpoint โ the most permissive of the major providers โ gives you around 32% hit rate on Gmail addresses versus 74% on corporate domains. I measured this across 6,200 signups for a... - Source: dev.to / 3 months ago
A few things worth flagging: PDL beats Clearbit's historical rates for US and Western European companies, but drops to ~52% match rate for Japan and South Korea specifically. Apollo underperforms on raw company matching but returns significantly more contacts per domain in Prospector-style queries than Clearbit's Prospector ever did โ the tradeoff is more stale titles in the result set. Hunter.io is fast and cheap... - Source: dev.to / 3 months ago
One thing comparison guides consistently get wrong: Clay is not an enrichment API. It's a waterfall orchestration tool that calls People Data Labs, Apollo, Clearbit, and others in sequence for you. It's useful, but it adds 2โ8 seconds of latency per row in my runs and costs more per match than going direct. For a CRM webhook flow where you need sub-second enrichment calls, Clay is the wrong layer to hit first. - Source: dev.to / 3 months ago
Last year I ran the same LinkedIn Sales Navigator export through three enrichment APIs. Apollo matched 61% of the emails. Hunter.io matched 54%. An OSINT-first pipeline I'd built in n8n โ pulling from public sources before hitting any paid API โ matched 79% and cost roughly $0.003 per contact. The delta wasn't magic. It was sequence. - Source: dev.to / 4 months ago
Despite having its LinkedIn Page removed in 2025, Apollo remains a functional enrichment and outreach platform with 275M+ contacts. The free tier includes 10,000 credits and the $49/month basic plan is the cheapest entry point for a combined enrichment-plus-sequencing workflow. Apollo's data collection methods have attracted LinkedIn's attention, but the product continues to operate. The risk I'd assign it:... - Source: dev.to / 4 months ago
REST does not define a standard batching mechanism at the protocol level. When batching is needed, it is handled through API design (such as bulk endpoints), infrastructure, or framework-specific solutions. Some specifications attempt to address this, such as ODataโs batch format or JSON:APIโs compound documents, but adoption is inconsistent. - Source: dev.to / 4 months ago
Why reinvent the wheel poorly when you have a hundred of solutions like https://jsonapi.org/? - Source: Hacker News / about 1 year ago
For context, the subject-predicate-object pattern is known as a semantic triple or Resource Description Framework (RDF) triple: https://en.wikipedia.org/wiki/Semantic_triple They're useful for storing social network graph data, for example, and can be expressed using standards like Open Graph and JSONAPI: https://ogp.me https://jsonapi.org I've stored RDF triples in database tables and experimented with query... - Source: Hacker News / about 1 year ago
Built on JSON API standards, the OSF API is intuitive for anyone familiar with REST conventions. Once you learn its core patterns, you can quickly expand into project creation, user collaboration, and moreโwithout constantly referencing documentation. The official OSF API docs provide everything needed to get started. - Source: dev.to / over 1 year ago
Following established patterns reduces the learning curve for your API. Adopt conventions from JSON:API or Microsoft API Guidelines to provide consistent experiences. - Source: dev.to / over 1 year ago
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
GraphQL - GraphQL is a data query language and runtime to request and deliver data to mobile and web apps.
Lusha - Search less. Sell more.
graphql.js - A reference implementation of GraphQL for JavaScript - graphql/graphql-js
Hunter.io - Find all the email addresses related to a domain
Apollo - Apollo is a full project management and contact tracking application.