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API Development in New York

API-first system design and implementation for products and integrations. This folder narrows the New York shortlist down to teams that fit this exact implementation angle.

15 vendorsNew York, USAAPI Development
No paid placements15 teams scored228 case studies combined11 verified profilesUpdated June 2026
All Custom Software DevelopmentBackend DevelopmentSaaS DevelopmentInternal Tools DevelopmentDashboard and Admin Panel DevelopmentPortal DevelopmentAPI DevelopmentSystem Integrations
+6 more specializations on the New York Custom Software Development page
Filter by project budget
All budgets< $5K$5–15K$15–50K$50K+10 of 15 teams
Avex logo
1
Top 1Verified

Avex

New York, NY, USAagencyTeam 10-49

New York ecommerce agency with SEO and conversion support for DTC and Shopify-led growth teams.

Direct Api Development fit
Shows relevant development delivery signals, with strong proof and clearer commercial signals.
EcommerceAPI DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed11 case studies13 named clients
Verified Jun 2026
70/100
GoodTop 45%
Build Fit
Direct build
Proof
Strong proof
From $6K/mo
Ecommerce-first positioning narrows the strongest-fit scenarios.
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Big Drop logo
2
Top 2Verified

Big Drop

New York, NY, USAagencyTeam 10-49

New York web and digital agency with SEO optimization for brands launching growth-focused websites.

Direct Api Development fit
Shows relevant development delivery signals, with strong proof and clearer commercial signals.
EcommerceAPI DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed12 case studies15 named clients
Verified Jun 2026
70/100
GoodTop 45%
Build Fit
Direct build
Proof
Strong proof
From $5K/mo
Web-design heritage can make the SEO narrative feel less specialist than search-led agencies.
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Digital Silk logo
3
Top 3Verified

Digital Silk

New York, NY, USAagencyTeam 10-49

Development provider tracked for api development fit, proof signals, pricing clarity, and delivery confidence.

Direct Api Development fit
Shows relevant development delivery signals, with strong proof and clearer commercial signals.
EcommerceAPI DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed70 case studies11 named clients
Verified Jun 2026
70/100
GoodTop 45%
Build Fit
Direct build
Proof
Strong proof
From $6K/mo
Broader agency scope may dilute pure-play SEO perception.
View profileCompare
Side-by-side comparison
Top 3 compared side-by-sideScore · Pricing · Proof
Best score
Avex
70/100
#1
Big Drop
70/100
#2
#3
Pricing$6K/mo$5K/mo↑$6K/mo
Case studies111270↑
Team size10-4910-4910-49
Scroll to see more agencies
Lounge Lizard logo
4
Verified

Lounge Lizard

New York, NY, USAagencyTeam 10-49

Development provider tracked for api development fit, proof signals, pricing clarity, and delivery confidence.

Direct Api Development fit
Shows relevant development delivery signals, with strong proof and clearer commercial signals.
EcommerceAPI DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed20 case studies9 named clients
Verified Jun 2026
70/100
GoodTop 45%
Build Fit
Direct build
Proof
Strong proof
From $5K/mo
Broad service mix can feel less specialist than a dedicated SEO-only operator.
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Aumcore logo
5
Official Sources

Aumcore

New York, NY, USAagencyTeam 10-49

Development provider tracked for api development fit, proof signals, pricing clarity, and delivery confidence.

Direct Api Development fit
Shows relevant development delivery signals, with strong proof and clearer commercial signals.
EcommerceEcommerce conversationsAPI DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed35 case studies15 named clients
Verified Jun 2026
70/100
GoodTop 45%
Build Fit
Direct build
Proof
Strong proof
From $6K/mo
Enterprise-friendly posture can push the commercial floor upward.
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Power Digital logo
6
VerifiedOfficial Sources

Power Digital

New York, NY, USAagencyTeam 200+

Development provider tracked for api development fit, proof signals, pricing clarity, and delivery confidence.

Direct Api Development fit
Shows relevant development delivery signals, with strong proof and clearer commercial signals.
API DevelopmentBackend DevelopmentConversion-focused Web DevelopmentApi Development proofMarket coveragePricing disclosed3 case studies
Verified Jun 2026
69/100
AverageBelow avg
Build Fit
Direct build
Proof
Strong proof
From $10K/mo
Broader operating model can outsize a minimal single-channel brief.
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Ruckus logo
7
Verified

Ruckus

New York, NY, USAagencyTeam 10-49

New York brand and digital agency suited to strategy-led search visibility for ambitious service and growth brands.

Direct Api Development fit
Shows relevant development delivery signals, with strong proof and clearer commercial signals.
API DevelopmentBackend DevelopmentCross-platform App Development+5Api Development proofMarket coveragePricing disclosed8 case studies8 named clients
Verified Jun 2026
70/100
GoodTop 45%
Build Fit
Direct build
Proof
Strong proof
From $7K/mo
Broad strategy scope can feel less specialist to deep SEO buyers.
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NoGood logo
8
Official Sources

NoGood

New York, NY, USAagencyTeam 10-49

NYC growth marketing agency with strong startup, SaaS, content, and in-house team alignment.

Direct Api Development fit
Shows relevant development delivery signals, with strong proof and clearer commercial signals.
API DevelopmentBackend DevelopmentCross-platform App Development+6Api Development proofMarket coveragePricing disclosed8 case studies10 named clients
Verified Jun 2026
70/100
GoodTop 45%
Build Fit
Direct build
Proof
Strong proof
From $8K/mo
Commercial scope usually fits growth-stage and funded teams more than SMB budgets.
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WITHIN logo
9
Official Sources

WITHIN

New York, NY, USAagencyTeam 50-199

Development provider tracked for api development fit, proof signals, pricing clarity, and delivery confidence.

Direct Api Development fit
Shows relevant development delivery signals, with moderate proof and clearer commercial signals.
API DevelopmentBackend DevelopmentCross-platform App Development+6Api Development proofMarket coveragePricing disclosed2 case studies
Verified Jun 2026
69/100
AverageBelow avg
Build Fit
Direct build
Proof
Moderate proof
From $12K/mo
Program scope can be broader than a narrow paid-search-only brief.
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MeanPug logo
10
Verified

MeanPug

Brooklyn, NY, USAagencyTeam 10-49

Development provider tracked for api development fit, proof signals, pricing clarity, and delivery confidence.

Direct Api Development fit
Shows relevant development delivery signals, with strong proof and clearer commercial signals.
API DevelopmentAndroid App DevelopmentBackend DevelopmentApi Development proofMarket coveragePricing disclosed8 case studies6 named clients
Verified Jun 2026
70/100
GoodTop 45%
Build Fit
Direct build
Proof
Strong proof
From $5K/mo
Vertical concentration can narrow fit outside legal and high-ticket services.
View profileCompare
How we rank these companies
Proof depth
Case studies, named clients, and verifiable source citations from official channels.
Pricing visibility
Disclosed project floors, retainer ranges, or hourly rates - not just 'contact us'.
Local coverage
Service regions, city-specific landing pages, and geography-relevant case evidence.
Specialist depth
Build type match for this exact specialization, not just broad development presence.
Confidence score
Data completeness and profile freshness - incomplete profiles rank lower.

Scores are calculated automatically from structured data. No paid placement affects ranking position.

What to verify before hiring for api development
Confirm domain model, API contract, and integration boundaries.
Check database, queue, cache, and infrastructure requirements.
Validate security, permissions, observability, and reliability controls.
Ask for tests around critical workflows and edge cases.
Require deployment, documentation, and handoff standards.
How to read a New York api development proposal

Proof of similar work

Ask for recent api development examples and make sure the team's role, stack, and outcome are clear.

Local-market fit

For New York, check whether the vendor can support your communication cadence, stakeholder overlap, and launch schedule.

Delivery ownership

Confirm who owns discovery, architecture decisions, implementation, QA, deployment, and post-launch fixes.

Acceptance criteria

Require milestones, acceptance criteria, performance targets, and handoff documentation before comparing price.

API Development in other cities

Los AngelesChicagoMiami

Frequently asked questions

What makes this New York API Development page different?

This page narrows the broader New York Custom Software Development shortlist to vendors and buying criteria for api development, with a tighter checklist and proposal-review context.

Should I use this page or the broader Custom Software Development page?

Use this page when the build type is already clear. Use the broader Custom Software Development page when you are still comparing multiple implementation directions.

How should I compare API Development proposals?

Compare proof from similar work, technical ownership, launch risk, QA standards, and support model before treating price as the deciding factor.

Not sure which API Development team fits?

Use the recommendation flow to describe your project and get a matched shortlist.

Get a personalised match